Special Custom-made Product


The Reference grade Phono preamplifier.

Completed 12/2009

Owner : Mr Lap (Hong Kong)

 

It is TOP Reference grade Phono preamplifier.

It will a new product to 2010 , The product series name is "THE REAL"

The mono block with power supply of 4 unit design. 

It use T-LC type EQ design, the T-LC Type is best method for revive phono EQ, but the cost is highest.

It uses 12AX7 , WE396A for input stage with TANGO line output , special made T-LC type RIAA EQ , WE417A with TANGO output stage.

Specifications:

Controls
Power Supply : Power On/Of .
Main Unit : Output XLR / RCA , Phase Normal / Inverse , Input MC/MM , MC Gain High/Low , MC Input 1/2 , MC1 impedance select , MC2 impedance select.

Output :  1 pair Main XLR , 1pair Main RCA.

Input : MC1 input , MC2 input , MM input ( all RCA ).

Output Impedance :   600 ohms ( XLR and RCA same ) , 600 ohms minimum load.

Frequency Response: -/+ 0.2dB 20Hz to 20KHz , RIAA equalized  ( -3db at 65khz )

Input Impedance: MC can change by input module, MM is 47K / 100P ( can change by input module ).

Gain: MC low 78dB , MC high 85dB , MM 55dB.

Hum and Noise: 95dB below 10mV input MM.

Phono Overload: MM 180mV.

Tube Compliment : 12AX7 x2 , WE396A x2 , WE417A x2 , 6X4 x2


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The Reference grade power amplifier

Completed  7/2009

Owner : Mr Derek Lam ( Hong Kong )

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Mr Derek Lam is using AVALON Eldolon Diamond speaker at 250sf .

These pair amplifier are design for he.

The amplifier use 2 pair KT88 pp and TANGO FC-120-5 ouput transformer at each block.

Full balanced design.

Output Power : 
RMS 120W / 32Hz sine wave.


The PX25 P-P power amplifier

Completed 6/2009

Owner : Mr Costa (UK)

 

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The PX25 P-P power amplifier .

Output Power : 
RMS 15W / 30Hz sine wave , Max 20W / 30Hz.

Transformer complement :  
Output Tango XE-60-5P , Interstage Tango NC16 , Choke LC-3-350 , R-Core main transformer.

Owner Mr Costa offer the tubes and tubes sockets .

 


The LC Type phono stage preamplifier

Completed date: 11/2008

Owner : Mr Chan ( H.K. )

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The LC Type is best method for revive phono EQ, but the cost is highest.

This phono can help me go a new LP world.

It use 12AX7 , WE396A for input stage, Western Electric line output , special made LC type RIAA EQ , WE396A output stage.

45dB gain for MM , 47K Input Impedance .

Output Impedance :  650 ohms Balanced , 325 ohm SE Main.
Recommended load:  18K ohm or greater ( Balanced ) , 9K ohm or greater ( SE ). 

Frequency Response:  +/- 0.20dB, 20Hz to 20kHz

We are planning this phono stage to accept order.

Please e-mail to me , if you have question about this phono stage.

 


 

YS-Audio
Room1308, 13/F,BLK C,.  
Kai Tak FTY BLDG.   
99-101 King Fuk ST,.   
San Po Kong,   KLN,.
Hong Kong
Tel:(852)93440168    
E-mail : info@ys-audio.com