Recensioni e Schede

 

Pre Audio Experience

SYMPHONIES

 

 

 Di cosa si tratta

Preamplificatore a valvole

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Marca

Audio Experience    http://www.ys-audio.com/

Caratteristiche

Valvolare

Prezzo

995 Us dollar

Caratteristiche:

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

Output :  Main RCA x2 pair , REC RCA x1 pair

Input :  RCA x4 pair 

Output Impedance :  2K ohm

Frequency Response:  10Hz ~ 200KHz(-0.5dBat 5V)

T.H.D : <0.04% (20Hz ~ 20KHz /2V)

Input Sensitivity : 50 ~ 100mV

Input Impedance: 50K ohm

Gain: 12dB

S/N: >98dB

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

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

Phase Mode : Normal

 

Max Output : 30V

Line-Stage Tubes : 12AX7A x3

Power Supply : 6X4

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

Weight: 4.5kg

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

 

Dal sito ufficiale:

 

The Symphonies, line level preamplifier designed by Mr. Chui Sat Sung, 
each component is carefully built using "point-to-point" hand wiring and select grade components. 
“Alps” volume pots, “R” core power transformers, “Dale” resistors, “Wima” & “Phillips” coupling capacitors, 
and silver coated, Teflon insulated, high quality copper internal wiring, create a perfect blend of superb electronic engineering. 
The Symphonies, pure tube preamplifier reveals crystal clear details, eloquent musicality, with absolute neutrality. 
(3) 12AX7A vacuum tubes are used in the stage and a one 6X4 for the power supply.

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 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.

 

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Links :

 La recensione di TNT Audio

http://www.tnt-audio.com/ampli/audio_experience.html

 

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