ZYX 4D Cartridge

ZYX 4D Cartridge
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Product Code: 4D Cartridge
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he factors that can be documented as data of an audio component such as frequency response and distortion characteristics are only two dimensions i.e. frequency (x) and level (y), whereas a sound is structured by three dimentional factors including time (z). Then a question comes how the time (z) response is presented in an audio equipment. I have found that exactly the time factor Z is very important to represent playback sound quality. Analog recording that contains the same continuously sequential Z information as the sound in natural world is essential in real sound playback as known, and makes it possible to reproduce sounds that are natural and clear, three dimensional image oriented, and sensitive and wide range.

ZYX MC phono cartridges are designed and built with this important central factor Z, and unparalleled in the world they enable time response being even over the entire range. Resultant gains are equal sound quality on both left and right channels, flat sound balance, and clear stereo sound field, as widely accepted by users. 

Further, ZYX 4D model has come out with newly added features each of which is upgraded for better sound image orientation, clearer outline expression, purer stereophonic sound field, and more realistic acoustic space so that you will recognize again the amazing sound information of analog playback. Not exaggeratedly, the Model 4D has four dimensional factors that realize reproducing new three dimensional music whenever, wherever and repeatedly, going beyond time and space.

2 Layer Laminate Armatures
An armature which is the frame whereon generator coil is wound is a key part as the center of all mechanical vibration in generator system. It simultaneously affects electrically an audio signal from coil output and quality of reproduced sound. For reproduction over wide range, it is indispensable to reduce numbers of coil turns and equivalent moving mass in vibration system, and to cover resultant drop in output voltage a high-permeability metal having 6 times more efficiency than an empty core is generally used as armature material.
On the other hand, however, a metal armature generates induced eddy-current over armature surface and disturbs the flow of audio signal generated by a coil. Induced eddy-current is extremely minute so it might have been considered least influential, but we should not neglect its influence now that we aim higher quality of sound level.
ZYX has succeeded in taking the most effective measures to vanish this eddy current into 4D for the first time. We made the armature structure have double layers, facing each other with opposite polarity, namely one laminate to face N-polarity and the other S- forming mutually reversed phase positions in order to short-circuit and simultaneously dissolve both eddy-currents generated in each armature. 

As the result, double layer armatures showed immeasurable effect and are presenting new world of sound we never experienced before. For sure, you will sense animate sounds which are beyond those mechanically reproduced on every count such as vocal, piano, violin, and every other musical tones in texture, dynamism, too realistic noiseless sound feeling. This is what reproduction of original sound means. 

Super High Speed Reproduction Engine (magnetic circuit)
ZYX 4D is employed with the super high speed reproduction magnetic circuit which was first introduced in the world. This circuit is specially processed to null magnetic resistance within magnetic gap, and enables high speed power generation against signals over entire bandwidth straightly without time delay. Even higher harmonics elements that determine the texture of each musical instrument can be simultaneously reproduced, and delivers quite smooth, natural, dynamic and realistic sound.

Semi-Skeleton Body
Any phono cartridge aiming higher sound quality should never show body resonance, which feedbacks to vibrate generator system that has to be kept statically. To be free of body resonance, 4D has introduced for the first time in the world a semi-skeleton body without side panels that are most apt to produce resonance. It is basically pillar structured like Parthenon, to be one of the factors of clear sound without inter-modulation.


Technical Data 
(red letters : XH, SH, GH High output Model)
Type Moving Coil (Dynamic)
“REAL STEREO” Generator System
Cryogenic Treatment Temperature: -196 ℃ (-320оF)
Output Voltage 0.24mV (0.48mV) (3.54cm/sec, 1kHz)
Frequency Response
10 Hz - 100 kHz
20 Hz - 20 kHz
Channel Separation > 30dB 〔 1kHz 〕
Channel Balance < 0.5dB 〔 1kHz 〕
Recommended Tracking Force 2.0gm 〔 20 ゜C-25 ゜C 〕
Tracking Force Range 1.7gm - 3.0gm
Trackablity > 60μm
EQ Compliance horizontal
Internal Impedance 4.0 Ω (8.0 Ω)
Load Impedance > 100Ω
Coil Wire X type
  S type
  G type
6N Crystal Copper φ.035mm/CRYO
5N Silver φ 0.035mm/CRYO
5N Gold φ 0.035mm/CRYO
Cantilever Material Boron solid φ 0.30mm
Stylus Micro-Ridge Solid Diamond 0.07mm
Contact Radius, Life Time 3μm×60μm, 2000Hour/2.0gm
Output Terminals φ1.25mm gold plated 〔EIA〕
Terminal Board Glass Epoxy Plate
Net Weight 4.0gm, 7.9gm(SB2)
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