Symphonies Plus-DX  High-Definition Tubes Line Preamplifier



The Symphonies Plus-DX , is Super version of Symphonies Plus Tube Line Preamplifier .
The Symphonies Plus-DX use Neutrik RCA connections , coupling cap uses Amtrans Golden Black and AudioCap Theta cap , TKD conductive plastic potentiometer volume control , Hashimoto power transformer and Hashimoto choke.

Features

Huge dynamic range, both the beautiful tone color and wonderful rhythm , 
ultra linear circuit of the line stage designed for the DVD - Audio and SACD source in the New Century.
uncanny natural flowing heart-stirring sound that matches any other ultra-Fi products on the market .

The Line stage made by Hand built " point to point " on YS-Audio factory.
"point to point"
has become more focused, the soundstage is deeper.
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.

The HV B+ power supply is application of a highly efficient solid-state voltage regulator with EZ81 Tube for current buffer.
The EZ81 Tube opens up the soundstage and allows the music to "bloom". The melody flows naturally, like a river. 
The highly efficient solid-state voltage regulator give the very good bass controls .

 sdx7.jpg (530500 個位元組) TKD conductive plastic potentiometer volume control and gain control.

 sdx4.jpg (433069 個位元組) Neutrik RCA connections.

sdx5.jpg (528716 個位元組) Hashimoto power transformer and choke

sdx6.jpg (578590 個位元組) Coupling cap uses Amtrans Golden Black and AudioCap Theta cap

kouzou3.jpg (41838 個位元組) UniCrystal OCC (Ohno Continuous Cast) Copper wire and Gold-plated OFC copper wire  for inside interconnect cable.


sdx1.jpg (463521 個位元組) sdx3.jpg (386023 個位元組)    

 


Customer Feedback for Symphonies Plus  High-Definition Tubes Line Preamplifier


Specifications

Controls : Volume , Gain , Input Selector , Power On/Of

Output :  Main RCA x2 pair 

Input :  RCA x4 pair 

Output Impedance :   600ohm at 1K Hz( all main output)
Recommended load:  10K ohm or greater

Frequency Response:  10Hz ~ 100KHz(+/- 0.2dB), 200KHz(-3dB)

T.H.D : <0.005% (10Hz ~ 100KHz /2V)

Input Impedance: 50K ohm

Gain: 17dB ( gain control at max )

S/N: >dB

Channel Balance: < 0.7dB(20Hz ~ 10KHz /max output)

Channel Separation: >65dB(2Hz ~ 20KHz)

Phase Mode : Normal

Max Output : 20V

Line-Stage Tubes : 12AX7A x3

Power Supply : EZ80 or EZ81

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

Weight: 4.5kg

Power Source: 110-127/220-240V,50/60Hz

Direct Price : HK$11300.

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 
WhatsApp: 93440168   
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https://www.facebook.com/AudioExperienceYSaudio/