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Stereokuulokkeet ja
kuulokevahvistimet
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Huippuäänilähde +
parikymmentä kuuloketta ja lukuisia kuulokevahvistimia liikkeemme
erityisessä kuuntelupisteessä. Saat kuunnella rauhassa
itseksesi.
Pääasia: Meillä
voit oikeasti erottaa, mikä soittaa musiikkia paremmin, mikä heikommin.
Myös kuulokkeissa ja
kuulokevahvistimissa meiltä löydät paljon sellaista, mitä ei missään
muualla Suomessa ole tarjolla. Aivan kuten muukin valikoimamme on
omaa luokkaansa.
Muista varoa
kuulovauriota, sillä kuulokkeilla joutuu helposti alttiiksi liian
voimakkaalle äänelle!
...Alan parhaat
valikoimassamme |
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Pikalinkki
kuulokevahvistimiin
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Sennheiser HD-800

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More than 60
years of ingenious headphone engineering has been applied into the
new HD 800. Incorporating Sennheiser’s most advanced driver
technology, these open, circum-aural dynamic stereo headphones
redefine what reference-level audio is all about. You will form an
altogether new height of sonic perspective as you experience a
high-fidelity natural hearing experience. Do take note that
presently, no other manufacturer has been able to come up as close
as the HD 800 in replicating the basic acoustic conditions of
natural hearing.
Matching these headphones' reference-grade audio performance is
their striking and visually effective industrial design. Premium
parts have gone into their production - the transducer is encased by
a precision material made of stainless steel. The ear pads are
handcrafted from a high-quality microfiber fabric. This material is
extremely comfortable to wear and easy to maintain. The headband and
headphone mounting utilises the most advanced development from the
aerospace industry. In terms of connectivity, these headphones
utilise specially-designed, four-wire, high-performance connections
with Teflon insulation.
Truly, the HD 800 are a glorious success and have become a pioneer
in headphone development.
HD 800 – Crafted for perfection.
Features
New reference class in wired headphones
Open, circum-aural dynamic stereo headphones
Natural hearing experience - realistic and natural sound field with
minimal resonance
Biggest transducers ever used in headphones up to today - new
innovative dynamic transducer design
Uncovered earcups for acoustic and stylistic reasons
Handcrafted ear pads, made of high-quality microfiber fabric
Metal headband with inner damping element
Specially tuned symmetrical, impedance matching cable with low
capacitance
Special high precision headphone connectors
2 year warranty
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Sennheiser HD-650

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The audiophile HD
650 is the ultimate in open, dynamic headphone design. Developed
from the award-winning HD 600, the HD 650s feature improved
materials for even better sound reproduction. They captivate the
listener with their expressiveness and emotion while maintaining
absolute precision and lifelike reproduction. Enjoy sound in
perfection!
Features
Systems with narrow tolerances (± 1 dB), hand-picked in pairs
Highly optimised magnet systems for minimum harmonic and
intermodulation distortion
High-quality titanium/silver finish
A specially developed damping element, made from fine acoustic metal
mesh, ensures a precise damping over the entire diaphragm surface,
highly constant in all climates.
Specially modulated connecting cable (detachable) made from highly
conductive OFC copper, Kevlar-reinforced, with very low handling
noise, i.e. low structure-borne sound sensitivity
Extremely lightweight aluminium voice coils ensure excellent
transient response
Gold plated ¼” jack plug with adaptor lead to 3.5 mm jack plug
2-year warranty |
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Sennheiser HD-600

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The HD 600
Avantgarde are audiophile-quality, open dynamic
hi-fi/professionalstereo headphones. The advanced diaphragm design
eliminates standing waves in the diaphragm material. The HD 600 can
be connected directly to hi-fi systems of the highest quality, in
particular DAT, DVD, MD and CD players. These headphones are an
ideal choice for the professional recording engineer recording
classical music.
Features
Sophisticated design, elegantly finished in black and grey
High-quality, open metal mesh earpiece covers for an extremely
transparent sound
Computer-optimised magnet systems minimise harmonic and
intermodulation distortion
Extremely lightweight aluminium voice coils ensure excellent
transient response
Neodymium ferrous magnet systems for optimum sensitivity and a wide
dynamic range
Exceptionally natural, spatial and accurate sound
Detachable OFC copper cable, Kevlar-reinforced, with very low
handling noise
2-year guarantee
Delivery Includes
1 HD 600
1 adaptor to ¼” (6.3 mm) stereo jack plug |
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Sennheiser HD-598
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Not only are the
HD 598 aesthetically pleasing to the eyes but they also provide an
impeccable sound quality and unrivalled comfort. These
beige-coloured open, circumaural headphones come with high-gloss
burl wood parts and matching ear pads for a sophisiticated, premium
finish. With Sennheiser‘s innovative E.A.R. technology, audio
signals are directly channelled into your ears. These headphones
also incorporate a special diaphragm geometry that minimizes
intermodulation distortion while delivering an impressive frequency
response range, plus a highly constant compressed cellulose fleece
to hold harmonic distortion to less than 0.1%. And to accentuate the
already outstanding listening experience even further, their
high-quality leatherette headband and velour ear pads provide
outstanding wearing comfort, even for long listening sessions.
Features
High-end open circumaural headphones with E.A.R. technology for
outstanding sonic accuracy and clarity
Sennheiser's innovative “Eargonomic Acoustic Refinement” (E.A.R.)
design channels audio signals directly into your ears
State-of-the-art, advanced Duofol diaphragms for transparency and
minimal distortion
Highly optimised, field-strengthened neodymium ferrous magnet
systems for an excellent dynamic response
Surround reflector for extended spatial sound field
Lightweight aluminium voice coils for high efficiency and excellent
dynamics
Special diaphragm geometry reduces intermodulation distortion
Highly constant, compressed cellulose fleece reduces total harmonic
distortion
Premium beige and high-gloss burl wood parts for a sophisticated
finish
Extremely comfortable velour ear pads and headband
Excellent connectivity, also with home Hifi equipment
2-year warranty
Delivery Includes
1 HD 598 headphones
1 3.5 mm adapter
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AKG K 324
P

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High-performance, full-spectrum sound
Excellent ambient noise isolation
Individual fit with 3 different sleeves
Protective carrying case and bag included
Available in two versions: white and chrome
Professional influences.
The K 324 P has been inspired by technology used in AKG’s award- winning professional in-ear monitoring systems; which are used by famous musicians around the world.
AKG’s flagship K 324 P in-ear model, offers high-quality, full-spectrum sound, reproducing the deepest bass with attitude and the highest highs with ease. The design of the K 324 P provides a high level of acoustic attenuation of ambient noise, which means you can enjoy your music in more detail. The ergonomic design allows for personal comfort and fit through a choice of 3 sleeve sizes, which results in hours of music enjoyment without fatigue or discomfort.
The minimalist design will appeal just as much to your eyes as to your ears, with a choice of cool white or chrome.
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AKG
K 242 High Definition
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Around-ear, semi-open design
Self-adjusting headband comfortably conforms to your head
Gimbal-suspended phones settle against ears without pinching
Ultra-soft velvet earpads
High-efficiency output with wide dynamic range, perfect for mobile environments
Single-sided, 99.99% oxygen-free cable for pure sound transmission
Hard gold-plated contacts and plug with 3.5-6.3 mm adapter
New iteration of a studio classic.
Music professionals revere AKG’s award-winning K 240 Studio headphones for their outstanding performance and exceptional comfort -- the ideal choice for any application demanding totally uncolored sound. K 242 HD semi-open headphones continue the tradition, with a super-comfortable lightweight design and extra-large speakers with Varimotion diaphragms for high sensitivity, wide dynamic range and high sound-pressure levels. K 242 HD headphones are everything that 1,500 technology patents and 60 years of feedback from the world’s leading performing and recording artists can make them.
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AKG
K 272 High Definition

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Around-ear,
closed-back design
Self-adjusting headband comfortably conforms to your head
Gimbal-suspended phones settle snugly against ears without pinching
Ultra-soft velvet earpads
Loud and rugged, ideal for single-ear DJ use
High-efficiency output with wide dynamic range, perfect for mobile environments
Single-sided, 99.99% oxygen-free cable for pure sound transmission
Hard gold-plated contacts and plug with 3.5-6.3 mm adapter
Quiet please, we're rolling.
Minimum sound leakage and maximum reduction of ambient noise. K 272 HD headphones deliver both, with an around-ear, closed-back design that makes them a great choice for broadcast and audio engineers. Offering the same accurate performance and uncolored sound that has made AKG K 270 Studio headphones indispensable in radio, TV and recording studios around the world, K 272 HD headphones are lightweight, comfortable and rugged enough for any
environment.
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AKG
K 601
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Patented varimotion diaphragm and high-performance neodymium magnet system for minimum distortion
Two-layer diaphragm for highly accurate sound and superior transient response
Self-adjusting, genuine-leather headband for optimum comfort
Individually tested and numbered
Perfect wearing comfort. Self-adjusting, genuine leather headband for automatic fit and optimum wearing comfort
Acoustically comfortable optimized ear pads and washable and easy to replace
True bi-wiring cable
The next level of evolution. Precisely tailored response and cutting-edge design: a must for all audiophiles.
These future-oriented, open-back dynamic headphones do not only offer good wearing comfort but also deliver an incredibly detailed, full, yet crisp sound. This is the result of a new AKG Varimotion two-layer diaphragm that ensures optimum diaphragm motion for extremely accurate highfrequency response and a powerful low end.
The overall sound is uncommonly natural and open. In short, the K 601 are premium reference headphones for anyone who appreciates true high-end equipment. |
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AKG
K 701
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Revolutionary flat-wire voice coil technology
Patented AKG Varimotion ultra-precision two-layer diaphragm
Bi-wiring, high-performance cable with 1/4" jack plug
Comfortable, specially shaped "3D-Form" ear pads
Complete with stylish storage cradle
Individually tested and numbered
Experience pure perfection!
Whether you prefer the holistic approach or like to listen analytically, the K 701 will turn perception into pure enjoyment.
AKG is the first manufacturer in the world to use revolutionary flat-wire technology in headphones, namely, the K 701. The result is a truly dramatic sound that places every musician at their correct location with pinpoint accuracy. This kind of agility, spaciousness, brilliant highs, and velvety, punchy bass is simply miraculous.
These superlative open-back dynamic headphones provide an outstandingly accurate sound and excellent imaging. Try the K 701 and find out what ingenious headphone engineering can do for you. |
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AKG
K 702
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Revolutionary
flat wire technology
• High performance neodymium magnets
• Patented Varimotion 2-layer diaphragm
• Detachable professional cable
• Unique and replaceable heavy duty 3-D cut ear pads
• New soft cushioned genuine leather headband
• Pre-selected transducers
• Individually tested and numbered
• Made in Austria
These
superlative K 702 open-back dynamic headphones provide an
outstandingl
accurate sound and excellent imaging. Whether
you prefer the holistic approach or like to listen analytically, the
K 702 from AKG
will turn perception into pure enjoyment.
Experience
pure perfection!
AKG is
the first manufacturer in the world to use the revolutionary
flat-wire technology in headphones.
The result is a truly dramatic sound that places every musician at
their correct
location with pinpoint accuracy. This kind of agility, spaciousness,
brilliant highs and
velvety, punchy bass is simply miraculous. Pre-selected transducers
guarantee minimum channel
tolerances as requested for professional audio applications.
AKG also
improved the cushioned genuine leather headband which increases the
comfort and let
you enjoy your K 702 for hours.
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Grado GR8
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"The GR8 became a reality because of an urging by my sons Jonathan and Matthew. They realized the need to offer our customers a Grado in-ear headphone. Jonathan and Matthew were instrumental in the process of voicing this great ear phone.
Family is a true source of inspiration."
John Grado
A proprietary wide bandwidth moving armature design provides the listener with unsurpassed performance.
Small size allows earphone to nestle well within the ear canal, maintaining an excellent air seal for improved bass and reduction of outside noise without causing discomfort.
Driver Moving armature
Connector type standard mini plug (gold over brass)
Frequency range 20 -20,000 Hz
Sensitivity 118db/1mw
Impedance 120 ohms
Maximum input power 20mW
Cable Length 51"/130mm (oxygen-free copper wire)
Weight 9 grams including plug and cord
Features:
Raised dot on left earphone provides tactile indication of channel allowing earphones to be put on correctly even in the dark.
Included:
3 pair ear tips (small, medium, large; proprietary blend of two silicon rubber materials)
Ear wax proof cloth x4
Ear wax proof cloth ring x2
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Grado SR-125i
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Features:
Vented diaphragm
Non Resonant air chamber
UHPLC copper voice coil wire
Standard copper connecting cord Tranducer type dynamic
Operating principle open air
Frequency response 20-20
SPL 1mV 98
Normal impedance 32ohms
Driver matched db .1 What does the i stand for in the new SR125i from Grado? Improved, that’s what! Grado's ability to combine lightness with extreme rigidity and internal damping has been put to good use on the SR125i. Based on the same design as theSR80i, the SR125i also features an improved driver and cable design utilizing UHPLC (Ultra-high purity, long crystal) copper voice coil wire. With the new 8 conductor cable design you will notice improved control and stability of the upper and lower range of the frequency spectrum, with both better supporting Grado’s world renowned midrange. The Diaphragms are put through a special 'de-stressing' process in order to enhance inner detail. The way the SR125i’s new driver, cable and plastic housing move air and react to sound vibrations are now less affected by transient distortions. Bass, midrange and treble are all more open and you will enjoy the fine tonal spread and balance. "We all agreed the Grado SR125 headphones are excellent, and that they would be a fine choice for anyone looking first to audio quality"
By Paul Bergman / Ultra High Fidelity Magazine (Canada) Winner of " Critics Choice"
Award presented by SOUND & VISION "Analytical listening was helped by the well-defined locations of individual instruments and voices. If headphones can be as musically satisfying as this, they must be pretty good."
Gramophone "Still, in its own realm the Grado SR125 is a real winner and an excellent value. I cannot imagine a better sounding headphone at anywhere near its price."
- Julian Hirsch - Stereo Review Vol.60, No.5 "It was obvious to me that the members were very impressed by the Grado SR125 headphones."
- Edward Long- Audio Magazine Vol.79, No.8 "Nearly every headphone-using colleague I spoke to in the USA keeps either SR60, SR80, or SR125s handy for reviewing."
- Ken Kessler - HiFi News & Record Review "simultaneously musical and revealing of every nuance recorded"
- Robert J. Reina- Stereophile
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Grado SR-225i

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Features:
Vented diaphragm
Non Resonant air chamber
UHPLC copper voice coil wire
Standard copper connecting cord Tranducer type dynamic
Operating principle open air
Frequency response 20-22
SPL 1mV 98
Normal impedance 32ohms
Driver matched db .05 What does the i stand for in the new SR225i from Grado? Improved, that’s what! Features are the same as the SR125i, new driver, cable and housing designs, but this headphone has an increased rear air flow, utilizes Grado’s larger ear cushion and has closer matched drivers. Air flow is increased by 50% which is achieved through an improved rear metal screen. The use of closer matched drivers and the larger cushions results in an enlarged soundstage, while the improved rear screen frees the headphone from colorations. HI-FI Choice
"Music flows through this headphone organically and believably, with irrepressible dynamics and bounce."
HI-FI Choice Recommended "Sounding very good at both low and high levels, these headphones are of reference quality both for the classical virtues of neutral frequency response and low coloration, as well as for their clarity and the high degree of listener involvement envoked."
HI-FI News & Record Review / Martin Colloms "The SR225s sound unlike any other headphone. They have an amazingly solid presentation, packed with weight and presence. There is also a pleasant richness in the midrange that benefits all types of music."
WHAT Hi-Fi "When it comes to classical music, the Grados reproduce instruments with both believable timbre and solidity. The treble boosts fine detail and no hint of agression. ... these Grados are hard to beat!"
WHAT Hi-Fi
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Grado SR-325is

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Features:
Vented diaphragm
Aluminum air chamber
UHPLC copper voice coil wire
UHPLC copper connecting cord Tranducer type dynamic
Operating principle open air
Frequency response 18-24
SPL 1mV 98
Normal impedance 32ohms
Driver matched db .05
The Top of the Range Prestige Headphone.
What does the i stand for in the new SR325is from Grado? Improved, that’s what! Yes, Grado has taken one of the world’s most acclaimed headphones and taken it a few steps further. The new SR325is has an upgraded driver and cable design. The way the SR325is’ driver, cable and metal housing move air and react to sound vibrations are now less affected by transient distortions. With the new 8 conductor cable design you will notice improved control and stability of the upper and lower range of the frequency spectrum with both better supporting Grado’s world renowned midrange. The SR325is will produce a sound that is pure Grado, warm harmonic color, rich full bodied vocals, excellent dynamics and an ultra smooth top end. Listen and Enjoy! HI-FI Choice
"…the degree of insight these headphones offer into sounds is really very impressive. This is high quality music reproduction, thoroughly deserving of serious attention."
Richard Black / Hi-FiChoice magazine What Hi-fi
"...speakers of similar sonic ability as the 325i would set you back at least three grand"
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Grado RS-2i

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Features:
Vented diaphragm
Wooden air chamber
UHPLC copper voice coil wire
UHPLC copper connecting cord Tranducer type dynamic
Operating principle open air
Frequency response 14-28
SPL 1mV 98
Normal impedance 32ohms
Driver matched db .05
What does the i stand for in the new RS2i from Grado? Improved, that’s what! The RS2i is the little brother of the RS1i. The RS2i has an upgraded driver and the new 8 conductor cable design. The characteristics of the RS2i remain the same as its distinguished big brother, with the new species of hand crafted mahogany, but with a smaller wooden air chamber. Although a miniature version of the RS1i, the RS2i still maintains an overall sound that is pure Grado, warm harmonic color, full bodied vocals, excellent dynamics and ultra smooth top end. These truly are audiophiles dream. The newest edition to the Grado family, the RS2 is the little brother of the RS1. The characteristics of the RS2 remain the same as it's distinguished big brother, with the hand crafted mahogany, but there is a smaller wooden air chamber. Although a miniature version of the RS1, they still maintain an overal sound that is pure Grado, warm harmonic color, full bodied vocals, excellent dynamics and ultra smooth top end. These truly are audiophiles dream. "...the RS2s’ big-hearted sound won us over. It’s more vivid than that of other high-quality headphones—bass is reach and touch-realistic, midrange is clear and true, and treble livelier than any other headphones we’ve tried."
- Steve Guttenberg / CNET Just as oak barrels enhance the flavor of wine, these mahogany drums refine the sound of music. The earpieces on Grado's RS2 headphones are handcrafted from specially cured wood and have a large open-air chamber. The result is a complex bouquet of decreased distortion, accentuated bass response, warm harmonic tones and a supersmooth top end. Sweet!
- Seth Feman, Wired Magazine "...it's the full-bodied sound - especially the luscious, rich resonant bass - that makes the Grado 'phones special"
- Sam Telling - STEREOPHILE Vol. 21, No.2 "If you audition the Grado RS2s, you may find something you never heard before: the calm artistry of well made sound."
- Jim Merod, Jazz-Now - Magazine |
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Grado RS-1i

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Features:
Vented diaphragm
Wooden air chamber
UHPLC copper voice coil wire
UHPLC copper connecting cord Tranducer type dynamic
Operating principle open air
Frequency response 12-30
SPL 1mV 98
Normal impedance 32ohms
Driver matched db .05
What does the i stand for in the new RS1i from Grado? Improved,
that’s what! Featuring a new species of handcrafted Mahogany
earpieces made using an intricate curing process; Grado has been
able to optimize the tonal quality. The RS1i uses new upgraded
dynamic transducers and the new 8 conductor cable design all in an
open-air configuration, the cups being open-backed. The result is a
smooth, controlled and coherent sound with detailed dynamics.
Frequency response ranges from 12-30 kHz and the drivers are matched
to 0.05dB. Weighing 9oz, the headphones are an example of the wonder
of Mother Nature with a gorgeous, dark-colored Mahogany look.
The RS-1 is the Masterpiece of the Grado collection, the Top Of The
Range product which oozes class both in looks and sound.
"RS1 is at its best with instrumental, vocal and small-scale groups, particularly if you like your music up front and personal. The Grados are clearly a music lover’s component, trading a little accuracy and detail for warmth, presence and tonal color – a trade most tube lovers would make any day. Try them on for comfort and sound, you’ll not be disappointed."
- Phil Gold / Inner Ear Magazine
The RS1's are the only product ever nominated by STEREOPHILE for their "PRODUCT OF THE YEAR" distinction, two years in a row!
"I say that the RS1 is a Masterpiece."
- Ken Kessler, HI-FI NEWS - RECORD REVIEW
Rated Class "A" on STEREOPHILE'S recommended components list. "It's rare that any audio product can come along and simply bowl me over. In this case, I yeild."
-Jack English, STEREOPHILE Vol.19, No.7 "I would urge any serious headphone listener to audition this Grado RS1."
-John Borwick, Gramophone "One of the years awesome high-end audio achievements"
-Ken Kessler, Robb Report "The RS1 offers something so stunning that price becomes irrelevant"
-Gavin Isaacs, Audio Video "If you value headphone listening enough to consider buying a reference dynamic, then you should audition the RS1's."
-Wes Philips, STEREOPHILE Vol.19, No.7 "We've always had bit of a headphone fettish at What Hi-Fi? We're often talking about how they can create your own private universe, plug directly into your favorite piece of music. Now we've heard the Grado RS1s, and our fettish has become an epic, full blown love affair. Ooooh..."
What Hi-Fi
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Grado GS 1000i

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Features:
Vented diaphragm
Wooden air chamber
UHPLC copper voice coil wire
UHPLC copper connecting cord Tranducer type dynamic
Operating principle open air
Frequency response 8-35
SPL 1mV 98
Normal impedance 32ohms
Driver matched db .05
What does the i stand for in the new GS1000i from Grado? Improved, that’s what! Featuring a new species of handcrafted Mahogany earpieces made using an intricate curing process; Grado has been able to optimize the tonal quality. The GS1000i uses new upgraded dynamic transducers and the new 8 conductor cable design. All this, new wood, driver and cable designs result in improved control and stability of the upper and lower range of the frequency spectrum with both better supporting the GS1000i’s new world renowned midrange.
Grado’s GS1000i cushion design actually creates a “room” for the ears to sit, creating a larger soundstage and greater spatial experience for the listener. It was most important to design the correct balance between the driver and our wooden driver housing to give us the resulting sound that we desired. This has been accomplished. By creating this “room” for the ears to sit, positioning of the cushions with regards to the ears (i.e., forward or back) is somewhat critical in finding the absolute sweet spot.
With this cushion design, we believe the GS1000i to be one of the most comfortable headphones on the market today.
The GS1000i retains a sound that is pure Grado, rich full-bodied vocals, excellent dynamics and an ultra smooth top end. The presentation is very detailed, the bass is deep and the music is very tight and non-fatiguing. All with a soundstage that is huge allowing for unbelievable separation and layering of the music which is simply stunning.
Listen and enjoy! Right off the bat, you enter a universe of subtlety and emotion: the bandwidth toward the bottom as well as toward the top seems unlimited. The best, however, is the fact that the GS1000 does it without "bragging" or exaggeration.
- By Henri-Pierre Penel / Prestige Audio Video (France) The GS1000 exceeds all limits of advances in headphone design... The GS1000 sounds breathtakingly open and transparent. Compared to most other top class headphones, the Grado draws a superior spatial reproduction and makes it easy to feel like being in a concert hall.
- Martin Freund / HomeElectronic magazine (Switzerland)
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Grado PS 1000

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Features:
Vented diaphragm
Wooden air chamber
UHPLC copper voice coil wire
UHPLC copper connecting cord Tranducer type dynamic
Operating principle open air
Frequency response 8-35
SPL 1mV 98
Normal impedance 32ohms
Driver matched db .05
By someone who has listened and knows
Grado headphones.
Jason Morin aka Zanth on head-fi.org
Photo by: Robert Williams Never one to stop innovating, Grado has set out to create a new flagship and it is these new headphones, the PS1000's, as I hear it, are the very best headphone Grado Labs has ever produced. What would so excite me as to claim such a thing? How about a hybrid metal/wooden headphone that incorporates the tone and timbre of the RS1's, maintaining the superior Grado mid-range, the hallmark of their sound and a resonance reduced decay which brings the sound closer to that of the PS1's and HP-1000's? How about all of that, dear listeners? Well here it is, the evolution of the metal series and the wooden series, the PS1000 is the answer to all those who have for years hoped for a broad release of the PS1's or for those who wanted something even better than the GS1000's. The PS1000's are the very best Grado headphone ever made.
Sticking with the new developments of the GS1000, the PS1000 uses the same large cushions providing a very comfortable fit on the head, excellent for very long listening sessions. These cushions also push the driver further from the ear providing a large sound and headstage. The same shaped enclosure as that of the GS1000's is used but instead of the wooden outer housing, the housing is a metal alloy like that of the PS1's headphones. What makes this particularly interesting however is the inner housing, which is made of the same wood used in the RS series and for the GS1000. The driver has been changed, has been improved, refining the sound even more than previous generation of headphones. The cable has also been changed and seems to be quite a bit thicker than the previous versions. All these changes and improvements make for a listening experience like none that I have ever had the pleasure of hearing.
Besides their appearance, which is that of a metal GS1000, one might well first recognize the weight of these headphones. Those who are familiar with my systems know that I own the PS1's and have owned over the years about a dozen HP-1000 series, the older Joseph Grado studio monitor headphones. These models are quite heavy, with the PS1's being heavier than the HP-1000's but the overall experience of that weight seemed to be reduced because of the thicker headband the PS1's used over the HP-1000's. Still, using the flat pads or the larger bowl pads, the headphones sat firmly on the head and were very noticeable. I don't know many that forgot they were wearing them, this as opposed to wearing the RS1's or even better, the GS1000's, which are so very light in comparison. The GS1000's in particular are such a pleasure to wear for long periods of time because they are made from a light wood and the large pads are at once comfortable on the ear (now being circumaural headphones as opposed to the supra-aural fit of the older pads) and also divert the downward force of the headphones outward reducing the apparent weight at the top of the head. Since the PS1000's are made to the same dimensions as the GS1000's, with their larger housings, would one expect them to feel even heavier than the PS1's or HP-1000's? While in the hand, yes. While on the head? A surprising no! I equate this phenomenon to the large pads used which again, divert the downward force perpendicularly outward, so that the overall experience is more pleasing than the older metal headphone models. No doubt they are much heavier than the GS1000's, but they are not unpleasant to use and I found myself listening for 8 hours straight with no complaints at all. I rather much liked the weight because although I was aware of their presence, it was a positive awareness, where I wouldn't be inclined to just swing my head aggressively and perhaps launch the headphones into orbit. Hey, when headphones sound this good, some head-banging is to be expected!
As with any transducer it is the sound that matters and as I've already stated, to my ears, these are not just the best Grado ever made, they are the best headphones I've ever heard.
On first listening one will probably note two things sonically: an incredibly dynamic sound and a very smooth sound. The sound seems to literally jump off the drivers with an astounding attack without overemphasizing or exaggerating any part of the spectrum as if the headphones are somehow working hard to reproduce this type of sound (or working harder than another set of headphones on the same system). There is no denying that the sound is more alive than anything I've ever listened to and yet the headphones are merely providing what is on the recording. A good analogy would be going from listening to the SR60's to the RS1's but think better, more dynamic and pure.
The attack is solid and fast and the transients are nimble with the transition to the decay sounding dead on, never lagging and the decay, oh that wonderful decay, notes trailing off into a black background, never sounding slow but never sounding overly quick either. The key I believe is in combining the wood and the metal. The wood provides a fine immediate resonance, getting a nice tone and timbre but as the sound leaves the inner chamber, the metal's rigidity forces the waves to stay tight, reducing reverberation and permitting a very accurate decay and highly coherent sound throughout the note. I suppose the really clever trait here is that despite a seductive velvety smooth sound, one isn't missing out on any details. Not at all. This is how the PS1's are consistently reviewed and here too we find the same thing. We get the glorious subtleties of the sound, all the inner nuances, micro and macro details while enjoying a smooth sound that is closest to a live open aired event. For those who have lusted for the liquid sound of the PS1's but want the better tone and timbre of the wooden Grados, the PS1000's deliver.
One other immediately noticeable aspect that I note in comparison to the GS1000's is that the mids sound more forward. If people felt that the mids were too far back in comparison with the RS1's or PS1's, then these headphones will fall closer in line with that sound vs. the GS1000's. There doesn't seem to be any disparity in any of the spectrums and this is not amp dependent, which I know first hand, many will praise.
The highs are never strident but smooth and extended, with wonderful sparkle and air. They are articulate without over emphasis. The bass is solid, palpable and authoritative without being overblown. The notes are deep and audible and work perfectly to provide the well-known Grado dynamics and that ever-elusive PRaT that Grados are naturally gifted at reproducing. I have always enjoyed the wonderful deep resonating bass of the PS1's but sometimes missed the extremely hard-hitting nature of the bass notes from the HP-1000's. No more! These phones do both better than their older siblings. I have never heard better bass than when listening to Grados. Yet, I've always had to choose aspects of the bottom end and then equate the best with this model or that model. Now I can just go for one phone and one phone only and maintain a perma-smile as I listen to some drum n' bass.
Over the years, I've bought and sold a number of headphones, not just Grados. The three headphones I have chosen to keep on hand have been the Grado GS1000's, PS1's and RS1's. As sad as I have been in letting the HP-1000's go time and time again, there has always been something about the above models that kept me listening more often for longer periods of time. Yet, if one were to ask me, Jason, which headphone would you keep if you could only have one? I could never answer perfectly. I enjoyed each model for specific reasons, feeling that each model had the edge in some dimension over the others. My default answer then would be: "I'd choose the RS1's because my wife bought them for me as a gift during our first year of marriage." Only sentimentality pushed one model over another. The PS1000's are the first set of headphones that I've heard that would actually have me choose a "best" headphone among the headphones I have on hand and have ever heard.
The PS1000's are finally, (and for those that upgrade often or think the grass is always greener, they know what I mean by finally), finally, the first set of headphones that would motivate me to sell all the rest, because these PS1000s do it all and do it as flawlessly as I've yet experienced. They give me everything that I've been searching for in headphones and do it in such a way that I can honestly say I'm not hoping for anything more. If more can ever be given, GREAT! But I've stopped looking. I've stopped thinking that a single phone can't do it all. Hyperbole be damned, this phone had me at hello.
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PROLine 2500



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The OPEN masterpiece ... PROline 2500
Short description:
Foldable, open-back professional headphones
with S-Logic™ Natural Surround Sound
MU Metal shielding
Safer hearing
PROline Box incl. accessories
Free demo-CD enclosed
PROline Box contents:
Professional headphones
2 detachable cables: one straight (length 3 m),
one coiled (length > 3 m) with gold-plated jacks 6,3 mm
and gold-plated adapter 6,3/3,5 mm
Spare pair of speed-switch ear pads
Demo CD
Instruction manual
Transportation bag
Technical specifications:
S-Logic™ Natural Surround Sound
Dynamic principle
Frequency range 8-35.000 Hz
Impedance 40 Ohm
Sound pressure level 94 dB
MU Metal bufferboard, reduced field emissions
in accordance with ULE standard
Driver 40 mm titanium-plated
Weight 292 g (without cord)
Long-term availability of spare parts
ULE technology and new design
PROline with ULE stands for Ultra Low Emission and means significant benefits for professional users as it is highly developed and specially designed for professionals. The new design does not only distinguish the professional line but also allows due to more ear anatomy area a higher degree of transparency in combination with the spatial sense and understanding.
The ULE technology was systematically developed for professionals
as they do spend half of their lives in headphones. Most headphone drivers convert an electric signal into an acoustical signal, producing low-frequency magnetic fields. In response, ULTRASONE developed a special MU Metal shielding (ULE technology) to reduce the radiation by up to 98% compared to current headphones. The ULE technology has stood the test of international review and is recommended by technical surveillance organisations.
S-Logic™ Natural Surround Sound
Through the S-Logic™ Natural Surround Sound the usual headphone sound will be moved out of the head in the room around you. The sound is no longer locked in, but appears broad and detached. Directions and distances can be heard and perceived - it’s just like being in a live concert.
For this new technology additional equipment is not required. Take
a pair of ULTRASONE headphones plus your sound device and you will be ready for the 3-dimensional enjoyment!
Safer hearing
S-Logic™ Natural Surround Sound allows an up to 40% lower
dB output (3-4 dB) for the same loudness sensation. This may significantly reduce the risk of hearing damage while ensuring
hours of fatigue-free listening - an absolute must if you spend
a lot of time in headphones.
Character
Using the same stiff titanium-plated driver as PROline 750 within an open-beck design, PROline 2500 will provide you with the most airy sound within the complete line. If you don´t need a closed-back design the PROline 2500 will satisfy your expectations with the most proper, accurate and finest sound reproduction.
Due to professional needs and requests we implemented an additional function which enables you to fold these headphones for a compact storage and easy transportation in a
suitcase. |
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HFI 2200 ULE



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Recreative acoustics
Short description:
Foldable, open-back superior headphones
with S-Logic™ Natural Surround Sound
and MU Metal shielding (ULE technology)
Safer hearing
Free demo-CD enclosed
Technical specifications:
S-Logic™ Natural Surround Sound
Dynamic principle
Frequency range 10 - 25.000 Hz
Impedance 75 Ohm
Sound pressure level 94 dB
MU Metal bufferboard, reduced field emissions
in accordance with ULE standard
Driver 40 mm gold-plated
Weight 292 g (without cord)
Detachable cable (length 3 m)
Incl.adapter 3,5/6,3 mm gold-plated
Long-term availability of spare parts
ULE technology (MU Metal shielding) and new design
ULE stands for Ultra Low Emission and means significant benefits for sophisticated users. These superior headphones are developed from the professional sector and are distinguished by the unique design and allow due to more ear anatomy area an increased degree of transparency in combination with a remarkable spatial character.
The ULE technology was systematically developed for users
who spend many hours in headphones. Most headphone drivers convert an electric signal into an acoustical signal, producing low-frequency magnetic fields. In response, ULTRASONE developed a special MU Metal shielding (ULE technology) to reduce the radiation by up to 98% compared to current headphones. The ULE technology has stood the test of international review and is recommended by technical surveillance organisations.
S-Logic™ Natural Surround Sound
Through the S-Logic™ Natural Surround Sound the usual headphone sound will be moved out of the head in the room around you. The sound is no longer locked in, but appears broad and detached. Directions and distances can be heard and perceived - it’s just like being in a live concert.
For this new technology additional equipment is not required. Take
a pair of ULTRASONE headphones plus your sound device and you will be ready for the 3-dimensional sound enjoyment!
Safer hearing
S-Logic™ Natural Surround Sound allows an up to 40% lower
dB output (3-4 dB) for the same loudness sensation. This may significantly reduce the risk of hearing damage while ensuring
hours of fatigue-free listening - an absolute must if you spend
a lot of time in headphones.
Character
These pair of headphones are destined to totally demonstrate high profile by appearance and competence. With the natural colours concept, these open-back headphones are unique in the entire consumer market. Offering airy and 3-dimensional sound reproduction, the HFI-2200 ULE assures a goose skin feeling and will satisfy the most demanding customers.
The folding mechanism allows a compact storage and easy transportation. |
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ULTRASONE Edition 9



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Edition9
is hand-made in Germany. Edition9 is a new pair of headphones with extraordinary qualities. Designed and manufactured with a maximum of attention. You are interested in a pair of headphones with the most sophisticated sound system and the most exclusive materials. Exclusive beauty and high technology at the same time. Take your time and enjoy the finesse in manufacturing and choice of materials.
The specifically created box allows you to store your Edition9 safely and convenient even for transportation. The earcups are black ruthenium-plated and the insignia on the earcups is made of chrome-plated brass, crafted in Bavaria. Earpads and head pad are made of soft genuine Ethiopian hair sheep leather in dark grey. This is the finest leather available with convincing attributes. This leather is so soft and smooth that you barely feel the headphones on your ears and it provides an excellent isolation. Your Edition9 is equipped with titanium-plated drivers and polished MU Metal shieldings for reduced magnetic field emissions. The set also contains a gold-plated adapter 6,3/3,5 mm. This combination of selected materials and ULTRASONE technologies presents the exceptional accurateness of your Edition9 headphones. Only manufacturers having proved their high standard and qualities by working with the most exclusive and luxurious automotive brands were chosen as suppliers for the realisation of Edition9.
Due to the great feed-back regarding the sold out “Edition7 limited” series, the Edition9 headphones have been developed to meet our customers special requests in design and sound. Edition9 is not limited and disposes of the highest quality materials and the most precise and natural sound appearance.
S-Logic™ - ULTRASONE´s
Natural Surround Sound
The patented S-Logic™ technology is described as Natural Surround Sound. No other digital surround system can compare with this new standard. As the sound of normal headphones will sound direct and even on both sides, the S-Logic™ system pushes the sound around your head! It appears as though you are listening to speakers meters away. Even at very low levels, this spacious sound allows you to hear precisely. Edition9 uses titanium-plated drivers which offer the most accurate and finest sound reproduction. And on top, the S-Logic™ technology does not require additional electronic equipment!
How does S-Logic™ work?
S-Logic™ sends music around your head not just into it, because this technology uses decentralized driver positioning. Did you know that all of us use and need the outer ear for 3-dimensional hearing to define the direction and the distance where a sound comes from? Instead of hitting the inner ear directly, with S-Logic™ the signals are reflected off the surface of the outer ear in different directions before entering the auditory canal to create a natural 3-dimensional sound. S-Logic™ is the only headphone system which includes your entire sense of hearing. S-Logic™ does not change your personal hearing. It intensifies it for your individual needs and listening pleasure. S-Logic™ does neither need artificial echo nor digital processing or cross over run time delay (like DSP). You can hear the music just the way the sound mixer produced it.
ULE technology - ULTRASONE´s
MU Metal shielding for reduced magnetic field emissions
ULE stands for Ultra Low Emission. The ULTRASONE ULE technology was systematically developed for professionals as they do spend half of their lives in headphones. Most headphone drivers convert an electric signal into an acoustical signal, producing low-frequency magnetic fields. In response, ULTRASONE developed a special MU Metal shielding (ULE technology) to reduce the radiation by up to 98% compared to current headphones. All professional ULTRASONE headphones are basically equipped with the ULE technology. Certainly your Edition9 headphones may not miss the ULE technology. The exclusiveness of your Edition9 calls for the ULE standard. This patented technology has stood the test of international review and is recommended by technical surveillance organisations.
ULTRASONE´s
concept for safer hearing
The S-Logic™ technology does not only create a Natural Surround Sound. S-Logic™ allows at the same time a lower dB output (3-4dB) for the same loudness sensation. This may reduce the risk of hearing damage while ensuring hours of fatigue-free listening. However, ULTRASONE generally advises not to listen to music at high volumes to prevent hearing damage.
Specifications
Closed-back headphones
S-Logic™ Natural Surround Sound
Professional standard with
ULE technology (MU Metal shielding)
Dynamic principle
Frequency range 8 - 35.000 Hz
40 mm titanium-plated Mylar drivers
Impedance 30 Ohms
Sound pressure level 96 dB
Nominal headband pressure 5,2 N
Cable length 3 m
6,3mm gold-plated plug
3,5 mm adapter
Weight (without cord) 310 g
Warranty 5 years
Hand-made in Germany
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Audio-Technica ATH-W1000

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Features
Successor to Audio-Technica's popular ATH-W100 wooden headphones
D.A.D.S. (Double Air Danping System) for deep bass extension and
reproduction
Super high class 8n-OFC with bobbin winding voice coil designed to
project sounds in detailed delicacy
Perm-alloy magnetic circuit adoption
Titanium flange phi 53mm driver adoption.
Audio-Technica's unique Wing Support Housing vibration-proof
mechanism (PAT) gives comfortable support for a better listening
experience
High durability artificial leather eadpads
Wrapping 3.0m 6N-OFC+Hi-OFC hybrid input cord
Wooden sleeve matches headphones in perfect unison
Specifications
Type: Closed Dynamic
Driver Unit: 53mm, Super high class 8n-OFC Bobbin winding voice coil
Magnet: Neodymium
Frequency response: 5-40,000 Hz
Impedence: 40Ω
Max. Input Power: 2,000mW
Sensitivity: 100dB
Plug: Gold-plating phi 6.3 stereo standards
Cord length: 3.0m (Wrapping / 6N-OFC + Hi-OFC hybrid)
Net weight (without cord): 350g
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Audio-Technica ATH-A700
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Features
High quality Audio-Technica new generation headphones with super
metallic paint
D.A.D.S. (Double Air Danping System) for bass reproduction (D.A.D.S
was developed for the legendary Audio-Technica ATH-W2002 Limited
Edition Wooden Headphones)
Large aperture phi 53 drivers private design in wide range playback
New 3D Wing Support Housing vibration-proof mechanism (PAT) gives
comfortable support for a better listening experience
Wrapping 3.0m OFC input cord
Total ear fitting ear pad design
Specifications
Type: Closed Dynamic
Driver Unit: 53mm, CCAW voice coil
Magnet: Neodymium
Frequency response: 5-35,000 Hz
Impedence: 64Ω
Max. Input Power: 500mW
Sensitivity: 102dB
Plug: Gold-plating stereo mini plug
Cord length: 3.0m (Wrapping / OFC)
Net weight (without cord): 290g
Accessories
Detachable phone plug (stereo standard plug)
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Audio-Technica ATH-EW9
Sovereign Wood
Headphones
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Features
Audio-Technica's 2003 flagship clip-on headphones with housing made
of Japan's finest Hokkaido cherry tree
World's first wooden clip-on headphones with suprior build quality
and finish
Light-weight ear-fitting headphones that offer both style and
powerful sound
New sliding ear-fitting mechanism to adjust headphone position
conveniently
Soft rubber support and large ear hanger allows long hours of
listening without becoming fatigue
28mm neodymium magnet projects powerful sound
Remote friendly 0.5m cord with 1.0m extension cord
Convenient carrying pouch protects your Aluminum headphones
Specifications
Type: Dynamic
Driver Unit: 28mm
Magnet: Neodymium
Frequency response: 14-24,000 Hz
Impedence: 29Ω
Max. Input Power: 100mW(JEITA)
Sensitivity: 105dB
Plug: Mini/Standard Gold plated
Cord length: 0.5m (Single) (OFC) (remote friendly)
Net weight (without cord): 30g
Accessories
Extension cord (1m),
Carrying pouch
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Audio Technica ATH-CK7
Titanium Headphones

"Kuulokkeiden
äänentoisto yllätti minut todella positiivisesti, löi suorastaan
ällikällä. Nyt tiedän, mitä tarkoittaa hyvä äänentoisto
napeissa. Välikaapeleita olen vasta trimmaillut mutta hyvältä
kuulostavat nekin. Erityisen suuren kiitoksen haluan antaa teille
molemmille liikkeessänne; filosofinen keskustelu äänentoistosta ja
siihen liittyvistä mielipiteistä oli TODELLA avartavaa. Kuten sanoin,
nyt tiedän mitä tarkoitat puhuessasi(=kirjoittaessasi) musikaalisuudesta
äänentoiston kohdalla. Väitän, että minulle aukesivat korvat, ei
niinkään silmät. Vielä kerran lämpimät kiitokset ja hyvää kohta
alkavaa syksyä."
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Features
ATH-CK7 is Audio-Technica's all new ultra high quality Inner Ear
Earphones features 11 mm Diameter Driver delivers deeper bass,
extended treble and higher fidelity, yet remains small enough to fit
inside your ear. With neodymium magnet for maximum energy in minimum
size; it is far more powerful than conventional Samarium Cobalt or
Aluminum magnets. Adopts high elastic elastomer cord/code that well
protects the wires inside and hard to entwine. Designed with a
simple and classic look. Great for outdoor purposes. Available in
silver. Made in Japan.
Specifications
Type: Dynamic
Driver Unit: Phi 11mm, CCAW voice coil, Neodymium magnet
Output overpressure value: 104dB/mW
Largest input: 250mW (IEC)
Impedance: 16 ohms
Frequency Response: 12 - 24,000Hz
Cord: 1.2m (Y type)
Plug: Phi 3.5 L-type gold plated stereo mini- plug
Mass: 10g
Accessories
Carrying case, ear pieces (S, M and L) |
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Naim Audio Headline
Headphone Amplifier

Kuvassa Headlinen alla
virtalähde NAPSC
Tämä kokoonpano TESTIN PARAS ruotsalaisessa
Hifi & Musik -lehdessä.
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Headline
The Headline is an amplifier designed to offer optimum performance from a variety of high impedance headphones.
Fitted with a captive lead, the Headline takes its signal from the tape socket of any of our preamplifiers. It has its own volume control and is designed to be very, very quiet. It has the ability to drive most headphones to an adequate level (loud!) with low distortion.
Headphones tend to be rather revealing of both noise and distortion, so we have spent a great deal of effort getting these parameters to extremely low levels.
The Headline needs to be used with an external power supply - both the iSupply (H) and NAPSC are suitable. If using a Flat-Cap 2x, Hi-Cap or Super-Cap you will also need a special interconnect, type SLIC.
Specifications
Suitable for headphones 8 Ohms to 2 KOhms
Frequency response -3dB @ 10Hz & 72kHz
Power output (into 8 Ohms) 560mW per channel
Max output voltage 3.7V rms into 2kOhms
Voltage gain +13.5dB
Dimensions (H x W x D): 57 x 121 x 187mm
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Heed Audio CanAmp
Headphone Amplifier
Hifimaailman testivoitto
3/2008 Heed CanAmpille!
Testikuuntelija
antoi ennen näkemättömän 10- arvosanan.
Palaute asiakkaaltamme, joka hankki
Heed CanAmp
vahvistimen ja Musical Blue välikaapelit: "Täytyy
tässä välissä heittää kiitokset sinne päin, jopa tuli mahtava
combo postissa! Luurit ovat pysyneet aika hyvin liimattuna päähän
koko viikonlopun ;)
Lähettämäsi välikaapelit ovat erittäin mehukkaan kuuloiset ja
todellakin nimensä mukaiset.
Kiitos ja kumarrus!
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Many audiophiles use
headphones to enjoy their system. While some people are compelled to
do so by their living circumstances, others simply prefer cans to
loudspeakers. However, some amplifiers either have no headphone
output, just as they don't have phone stages, or if they do have
one, it is often just a simple IC-based stage. Regrettably, even
many outboard amplifiers resort to this simple - and cheap -
solution, making it impossible for headphones to perform at their
best. Let us introduce the CanAmp,
offering a no-compromise solution at a realistic price - in fact,
given its technology and manufacturing quality we might even say at
a "discount" price.
Headphones can be considered as high
quality loudspeakers, but with a much lower power requirement. For
this reason, they have distortion levels an order of magnitude lower
than conventional speakers, and therefore are capable of showing up
amplifier deficiencies more clearly. What's more, headphones are
one-way systems, with very few exceptions, and for this reason
crossovers do not interfere with sound quality. Consequently, a
headphone amplifier must offer the best possible sound quality, even
at very low volume levels, whilst working not unlike a real power
amplifier.
The
CanAmp is a two-stage amplifier. While
the first - voltage gain - stage is based on an integrated circuit
of the highest audio pedigree, the second - power gain - stage is a
single-ended, pure Class-A amplifier. It enables the CanAmp
to drive virtually any headphones from 8 ohms up to 600 ohms. As its
output power (at 8 ohm) is nearly 1W, the CanAmp
could drive even a high-sensitivity loudspeaker!
The
unit has no internal wiring, and the signal path is kept to a
minimum on its PCB.
Its
high-quality, 1 dB-tolerance Blue Alps volume pot goes through a
further selection process during manufacturing to achieve an even
tighter, 0.5 dB tolerance.
The CanAmp
not only has a line-level input but offers a line-level output to
boot; it can therefore be connected to the TAPE MONITOR output of an
amplifier, leaving the TAPE output free for additional components
(MP3, MiniDisc, CDR, etc.). Gold-plated RCA terminals are used, and
soldered directly onto the fibreglass PCB.
| Technical
specifications |
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| Input
sensitivity/impedance: |
200
mV/10 kOhm |
| Power
output: |
300
mW (100 Ohm) |
| Signal-to-noise
ratio (unweighted): |
85
dB |
| Distortion
(THD, 1 kHz, 100mW): |
<0,05% |
| Frequency
range: |
10 Hz-50 kHz (±0,5
dB)
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KingRex HD-1 Headquarter
Headphone Amplifier

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KingRex
Headquarter 1
Input impedance is 15K, output impedance 1.8 ohms. Gain is 18.5dB, power
output variable with headphone impedance - 100mW are produced at 300 ohms, 170mW at 150 ohms, 360mW at 60 ohms and 570mW at 30 ohms. THD+N is given as 0.005% under full 2Vrms output. Dynamic range is 110dB. The 6.35mm headphone jack is a Neutrik with gold-plated contacts.
The external power supply consumes less than 10 watts to make it a green product. The power supply is a linear type with a 48VA toroidal transformer. It uses 8 Nippon Chemicon capacitors for a total 25,100uF storage capacitance plus there are 5 x 2,200uF units at the AC input and 3 x 4,700uF units for the filtered DC output. Voltage acceptance is +/-10% of the rated 110/220V versions.
Color trim options are black or red face plates.

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Graham Slee Solo Ultra
Linear
Headphone Amplifier

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(Phones
NOT included.)
TNT-Audio,
September 2003 Online
Review
"...if
you're in the market for a great sounding headphone amp and don't
want to drop the kilo-bucks needed for "the other guys"
amp, I'd seriously consider the Graham Slee's Solo"
Rock
Grotto, January 2004 Online
Review
"Without
a shadow of a doubt, the Solo is a very accomplished little
amplifier"
What
Hi-Fi? Sound & Vision, 5 stars, October 2004
"If
you are serious about headphones go and have a listen to the Solo -
and be prepared to buy it there and then"
What
Hi-Fi? Sound & Vision, 5 stars, Ultimate Guide, Autumn 2004
"This
unassuming little box delivers a double-whammy of breathtaking
resolution and gripping dynamics"
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Graham Slee Novo UUTUUS
Headphone Amplifier

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Specification
Dimensions: L. 10.5 W. 10.5 H. 5 (cm) approx. excluding controls and connectors
Output: 150mW rms into 32 Ohms, 40mW rms into 600 Ohms (both channels fully driven - 0.05% THD)
Input Impedance: greater than 39 kilo Ohms
Recommended input range: 200mV - 1V rms (2.8V p-p)
Frequency Response (worst case): Flat: 43Hz to 16kHz (-1dB), 22Hz to 38kHz (-3dB) (volume control at 3 o'clock position)
Channel Balance: 0.5dB typical
Hum & Noise: -80dB CCIR Q-pk 20Hz-20kHz (into 30 Ohms)
Stereo Crosstalk: -64dB typical
Distortion (THD+Noise): 0.02% at 1 kHz into 30 Ohms, and 12 o'clock volume control position
Warning: Headphones can cause hearing damage if operated too loud
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The NOVO Discrete Headphone Amplifier:
A High End Enthusiasts Amp At A Budget Price
The word "discrete" conjures up the high end and high end prices, but
Novo is affordable by most and the sound of this solid state transistor amp equates to tube headphone amps costing nearly 10 times
more!.
The Graham Slee Entheos (enthusiast's) Series Novo stereo headphone amplifier is a discrete solid state transistor configuration, using an IC voltage regulator. There are six transistors per channel. The "fast" voltage amplifier stage uses a current feedback input and a current source to drive a small signal transistor class AB push-pull output stage. The output is capacitively and resistively coupled to prevent headphone damage/short circuit damage and an output impedance reduction network minimises any signal distortion these components could add. The Novo uses multi-path negative feedback to reduce distortion without degrading the musicality of the signal.
The Novo is supplied with an Energy Efficient plug style AC/DC mains adapter power supply for universal mains use: 90-250V ac; supplied with a selection of plug heads to suit the customer's mains outlet. The power supply is of the switched mode type and sensitive users may detect a slight tingling sensation from the Novo case: this is normal and within world safety standards, but can be eliminated completely by connecting a wire to the Novo "aux ground" post; the other end to earth (either mains earth or an earth spike - seek qualified assistance if unsure). When connected to an earthed source this wire will not normally be required. The switched mode power supply emits an ultra-sonic whistle which cannot normally be heard, but in the presence of other persistent noise (such as air-con, refrigerators etc) a beat frequency (chirping) may be heard. Careful positioning will minimise this effect.
A Chained set of phono/RCA jacks enables the stereo input to be routed to other equipment such as a power amplifier. The input impedance is greater than 39 kilo Ohms so as to be virtually transparent to the source.
The output jack is designed for standard 1/4 inch/6.35mm headphone plugs (B-gauge) and can also be used with tapered A-gauge plugs. Headphones of impedance 8 - 2,000 Ohms may be used but best results will be obtained with impedances of 16 - 600 Ohms. An impedance reduction network reduces the driving impedance "seen" by the headphones and compensates for the headphone's cable capacitance, leading to a more focused musical image than purely resistive or power-amp configuration headphone amplifier outputs. It also reduces the apparent differences between dissimilar headphones.
The volume control can be set at any position to give comfortable listening. Unlike Hi-Fi amplifier volume controls, it can be set at any position and still give excellent performance. This is preferable to the contact resistance and wear of a gain switch, which would otherwise be required. |
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Graham Slee Voyager
Portable Headphone Amplifier


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Features
Fully portable headphone amplifier - long battery life
Powerful sound
Pod player size match
Lightweight - 180 gram (6.5 ounce)
Street 'phones contour-boost switch
USB powered for office desk top
AC adapter for home amp use
Drives Hi-Fi and Studio headphones
Features explained
The powerful sound from the Voyager portable headphone amplifier
gives an average (noticeable) 10dB boost in sound pressure level
above that of most portable players. The Voyager portable headphone
amplifier's fast wideband circuit assures all the sound quality of
the source is delivered to the headphones, even when used with high
performance sources up to studio standards.
It is fully portable, powered by its own replaceable standard issue
9 volt (MN1604; 6LR61) battery (supplied installed). If left playing
into headphones from a continuously looping music source, the
battery can last 50 hours or longer. Usually however, battery life
will last a number of weeks if the power switch is set to its other
positions when not in use, or when being powered by USB connection
or by its AC adapter. It does not recharge the battery - a
rechargeable 9 volt battery does not have the capacity of a
disposable 9 volt battery.
A number of pod type players will sit comfortably on top of the
Voyager.
The Voyager is light weight, similar to that of a "classic" pod
player.
The street-wear contour switch is designed to improve the tonal
range of street-wear headphones. For use from domestic and studio
players using Hi-Fi or studio headphones, the "flat" position may be
found more appropriate.
The Voyager can be used in the office taking its input from line-out
sources like the 3,5mm jack on many computers. While in use at the
desk top, it can be powered by a spare USB cord having a mini AB
plug.
The Voyager is supplied with an AC adapter that can power it when
used at home or in the office
Hi-Fi and studio quality stereo headphones can be used with the
Voyager. When using high impedance headphones at home (typically 300
Ohm types and above), it is best used with high output line-level
sources like a CD player, amplifier line/tape out, or the output of
a phono preamplifier, if required to reach high volumes. A 3,5 to
6,3mm jack plug adapter may be required for some Hi-Fi or studio
headphones. A stereo phono to 3,5mm jack plug, or DIN to 3,5mm jack
plug cable may also be required depending on your home equipment. It
will not drive electrostatic headphones.
Headphones of 16 - 600 Ohms impedance can be used.
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Grado RA-1
Headphone Amplifier


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After years of relying on other equipment to drive Grado headphones, you can now listen and enjoy headphones through our new Grado Reference Headphone Amp, the RA1. Designed for state-of-the-art performance and specifically to play Grados, the new RA1 will allow you to hear your headphones like never before. This new amp is machined from a solid block of mahogany and measures 5" wide, 5 1/2" deep and 1 1/2" tall and weighs in at 12 oz. The RA1 is available in an AC version or can be powered by two 9-Volt batteries that will drive the amp for 40 to 50 hours of listening pleasure. And the sound? Just like all Grados: warm, smooth, full-bodied, non-fatiguing and rich. Hook it up to any line source (portable or in-home) and drive your Grado headphones to their full potential.

Now Available the RA1-HG (High Gain). Now headphone enthusiasts can utilize the RA1's sonic qualities with a wide selection of headphones. The RA1-HG is designed to drive headphones with impedances of 100 ohms or
more "The RA1 offers excellent value for money, and does a fine job powering phones from Sennheiser, Shure and Ultimate Ears. It does especially well with Grado ‘phones and does not embarrass itself next to state of the art components."
- Phil Gold / Inner Ear Magazine "When paired with the high-quality RS1 headphones, the RA1 delivers music that is clearer and more life-like than most speakers."
- Jason Alexander, Satellite Direct "With the Grado Reference RA1 handling the amplification, music was rendered truer, clearer, and more life-like than I had ever imagined was possible."
- Willie Gluckstern, Audio Magazine. |
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Firestone Cute Beyond
Headphone Amplifier

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Cute Beyond is a kind of Pure Class-A Headphone Amplifier with low noise/low distortion features.
Adopting both Series and Shunt types can let the users select their ideal type of Volume Control. High electric current output can pretty much drive headphones of any impedance. OP amplifier can be changed by yourself to turn the tone. Using Cute Curve can easily make you enjoy high-quality and awesome sound.
Specifications:
* Amplifier Structure : Coupling capacitor less, Single-End with Class-A
* Power Structure : Virtual-Ground power supply
* Gain Control : Low (attenuation 20dB) / High (normal)
* Volume Control : Series / shunt mode selectable
* Headphone Impedance : 32 ohm to 600 ohm
* Circuit Protect : Output short / over current protect
* Main OPAmp : TI ¡V OPA2604
* Servo OPAmp : TI ¡V TL072
Audio Performance (1kHz sine wave, 2Vrms output)
Frequency response (From 40Hz to 15kHz) : 40Hz +0.01dB, 15kHz -0.02dB
Noise level (1kHz, A-Weighted) : -104.7dB
Dynamic range (1kHz, A-Weighted) : 104.6dB
THD% : 0.0018%
Stereo crosstalk : -90.0dB
Connectivity
* Line Input : 1 of RCA jack
* Line Output : 1 of 6.4mm phone jack
System Requirements
* Using in any equipment with Line-out or Pre-out function
Package Contents
* Beyond
* DC24V 0.5A power adapter
* User manual
* Warranty card
* Wrench
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Firestone Audio FUBAR IV / IVPlus
Headphone Amplifier + DAC

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Fubar4-Plus DAC +
integrated Headphone Amplifier
The Fubar4-Plus is a superb 24Bit/192kHz upsamplig DAC +
Integrated Headphone amplifier + RCA outputs (analog) to connect to
your audio rig. You get HiFi music direct from your PC to connect to
your home stereo, or you can use the built-in headphone ampifier to
drive your headphone. Sound source can be USB or S/PDIF, coaxial as
well as optical.
The 192 kHz upsampling will give you the clearest sound you heard
from a digital source !
Features
USB input: Plug & Play via USB. Requires no addition software or
drivers
S/PDIF inputs: Digital inputs for both Digital Coax and Optical,
with 24 Bit 96kHz DAC.
Headphone Output: 1/4" (6.4mm) headphone jack. This amplifier will
perfectly drive bigger audiophile headphones with ease.
Gain Switch: External gain switch to optimize with your headphones.
Compatible with 32 - 600 Ohm impedance.
192 kHz Upsampling: Will give you more natural performance.
RCA Outputs: Gold Plated RCA outputs to connect to your home stereo
for playback over speakers.
Volume Control: Controls headphone output only, not the line-out RCA
outputs, wich are fixed level line-out
Changeable OpAmps: The OPA2604 OpAmp in the headphone amplifier are
changable.
Color of faceplate: Available in your choice of Black and Silver
face plates.
Specifications
Amplifier Structure: Coupling Capacitor Less / Push-Pull
Line Level Output: RCA output 2 Vrms
Gain Control: High setting (normal) / Low setting provides 20dB
attenuation
Volume Control: Series / Shunt - user selectable (default is Series)
Headphone Impedance: 32 Ohm to 600 Ohm
Circuit Protection: Output Short / Over Current Protection
USB Support Format: 16 Bit - 32 / 44.1 / 48 kHz (compatible with
Windows, Mac and Linux)
S/PDIF Support Format: 24 Bit / 96 kHz
Upsampling: up to 192 kHz
Input select: Auto Select - USB highest priority
USB Chip: CMedia - CM108
Reciever: Texas Instruments - DIR9001
ASRC Chip: Texas Instruments - SRC4192
DAC Chip: TI - PCM1793
LPF OpAmp: National Semiconductor LM4562
Main OpAmp: Texas Instruments OPA2604
Servo OpAmp: Texas Instruments TL072
Audio Performance
S/PDIF (Digital Coax and Toslink Optical input) - RCA outputs - (1
kHz Sinewave) 2 Vrms
Frequency response (From 40Hz to 15kHz) : 40Hz +0.01dB, 15kHz
-0.03dB
Noise Level: (1 kHz A-weighted) -111.9 dB
Dynamic Range: (1 kHz A-weighted) -111.6 dB
THD%: 0.0018%
Stereo Crosstalk: -111.0 dB
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Firestone Audio LIBBY
Headphone Amplifier + DAC


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Details like low-jitter
recovered DA conversion, selectable re-sampling frequencies,
selectable headphone impedance ranges and digital volume control,
are moving this headphone amplifier way above traditional analog
systems. For a Class A amplifier, the Libby has an extreme powerfull
output and will drive even the most difficult headphones with ease.
The analog input is sampled through a high-precise ADC chip
(PCM1803A) and then resampled to the PCM1793 DAC Chip to serve as
analog signal to output. Using the TI-DIR9001 receiver chip, which
has the function of Low-Jitter Recovered System Clock, can isolate
the original digital noise. In addition, Libby has 5 selections of
resampling frequency from 44.1kHz to 192K, to choose best
appropriate frequency of sound. By adopting the special digital
volume control chip PGA2311, this does not only reduce the
distortion of sound but also make the lowest differences of
synchronous gain of right and left channels.
Technical
Specification
Amplifier Structure : High current / swing output amplifier, four
step bias control
Power structure analog: High precision linear voltage regulator
(Analog system)
Power structure digital: High efficiency / frequency voltage
regulator (Digital system)
Power Mode : Stand by and Power on mode, provided with main power
switch to shut down
Input Select : Line in / Coaxial / Optical / AES-EBU / USB
Headphone impedance : 16ohm to 600ohm
Circuit Protect : Output short / system over current protect
Characteristic : Using OP275 and high current power transistor to
build high quality headphone amplifier
Frequency Control : Adjustable from 44.1kHz to 192kHz (upsampling
also for USB)
Bit Length Control : Adjustable 16-bit or 24-bit data length
Mute Control : Provided directly mute headphone without rotate the
volume knob
USB Support Format : 16-bit, 32 / 44.1kHz / 48kHz
SPDIF / AES-EBU Support Format : 24-bit, 96kHz (MAX)
Power Amp : TI - TAS5706
Processing Chip : TI – TAS5086
ADC Chip : TI – PCM1803A
USB Chip : TI – PCM2704
SRC Chip : TI – SRC4193
Receiver : TI - DIR9001
Connectivity
USB interface
Digital Input: 1 x Coaxial, 1x Optical jack, 1 x AES/EBU (XLR)
Line Input: 2 x RCA
Line Output : 2 x RCA
Headphone Output : 1 of 6.4mm Headphone jack (stereo)
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Firestone Supplier
24V Power Supply Unit
(sopii Cute Beyond ja FUBAR malleihin)
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Supplier is an External Power Supply Unit.
Setting high-quality regulator inside can effectively reduce the electronic ripple to offer the cleaner, more stable power source. Supplier can collocate with most of products of Firestone in order to enhance the machine functions and enrich sound quality.
Specification
* Power Structure : AC 110V or 220V in, linear regulation
* Output Voltage : 24VDC (5% tolerance)
* Output Current : 300mA (MAX)
Connectivity
* AC Input : 1 of AC power jack
* DC Output : 1 of DC power jack
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Pro-ject Head Box II ja
Head Box II SE
Headphone Amplifier

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Pro-jectin Head Box
II SE tarjoaa liitännät ja itsenäiset voimakkuussäädöt
kaksille kuulokkeille. Tavallinen Head Box II yhdelle.
Mukava äänilähde
on myös Pro-jectin pieni Tuner Box FM viritin.
Kaikki Boxit
saatavana sekä mustana että hopean värisenä.

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