Concerto Ver2 Tubes Phono Stage Eq-Preampilier

Retired Product

The Concerto Ver2 phono stage embodies the newest thinking of YS-audio dedicated and enthusiastic technical design YS Chui . The unit has 47dB of gain, and, just as importantly, the Concerto boasts an low noise level, so in practical use, the 47dB gain is usable in systems with low overall sensitivity.The Concerto uses a 6X4 rectifier tube and a 12AX7 for the gain stage.The Concerto is design for the MM cartridge and High output MC cartridge. The input impedance is 47K ( accept order other impedance ).The Concerto all hand made by "point-to-point" .


cp4.jpg (222765 個位元組)Huge dynamic range, both the beautiful tone color and wonderful rhythm , 
ultra linear circuit designed for the LP and SP, it has 4 kind EQ
network for select , include
RIAA , London ffrr , Columbia , SP. uncanny natural flowing heart-stirring sound that 
matches any other ultra-Fi products on the market .
The phono stage made by Hand built " point to point " on YS-Audio factory.
"point to point" has become more focused, the soundstage is
Hand built by " point to point ' is very high cost of manufacture !
The installation of the tubes line stage is special designed , it can prevent RF interfere and vibrate interfere,
It has become very clean soundstage and saw the musical instrument hang up in the air.

cp5.jpg (219565 個位元組)he 6X4 Tube rectification opens up the soundstage and allows the music to "bloom". 
The melody flows naturally, like a river. In contrast, solid state rectifiers emit 
electromagnetic pulses that resonate throughout the audio circuit and add an 
electronic haze that can be perceived as a highly unnatural noise or grain. 
The unnaturalness of the solid state rectifier's turn on/turn off cycle creates a choppy, 
edgy feeling that over-emphasizes the leading edge of transients at the expense of a 
harmonic completeness and does not allow the individual notes to rise and decay naturally.

The Important features

The Concerto Ver2 has a select control for select 4 kind phono EQ network : 
RIAA , London ffrr , Columbia , SP.

The RIAA EQ for prevalence LP , 
The London ffrr EQ for London ffrr LP , 
The Columbia EQ for Columbia and old NAB LP , 
The SP EQ for EU 2 Single-Play.


cp3.jpg (173389 個位元組)

See Customer Feedback Enter There


Controls : EQ network Selector , Power On/Of

Output :  High x1 , Low x1

Input :  RCA x1

Frequency Response:  +/- 0.5dB, 20Hz to 20kHz, RIAA equalized

Input Impedance: 47K ohm

Gain: 47dB at high output , 43dB at low output

Noise: 73dB (shorted input)
signal-to-noise ratio, below 2 Volts RMS output,  A weighted

Distortion: Less than 0.1% at 0.5V RMS 1kHz output

Maximum input : 50mv

Tube Compliment : 12AX7 x3 , 6X4 x1

Dimension: 400mm x 310mm x 80mm (W x D x H)

Weight: 4.5kg

Power Source: 110-120/220-240V,50/60Hz


Retired Product


Room1308, 13/F,BLK C,.  
Kai Tak FTY BLDG.   
99-101 King Fuk ST,.   
San Po Kong,   KLN,.
Hong Kong
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