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Caratteristiche:
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Controls : Gain
, Input Selector , Balance , Power On/Of |
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Output : Main
RCA x2 pair , REC RCA x1 pair |
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Input : RCA x4
pair |
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Output
Impedance : 2K ohm |
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Frequency
Response: 10Hz ~ 200KHz(-0.5dBat 5V) |
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T.H.D : <0.04%
(20Hz ~ 20KHz /2V) |
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Input
Sensitivity : 50 ~ 100mV |
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Input Impedance:
50K ohm |
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Gain: 12dB |
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S/N: >98dB |
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Channel Balance:
< 0.7dB(20Hz ~ 10KHz /max output) |
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Channel
Separation: >65dB(2Hz ~ 20KHz) |
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Phase Mode :
Normal |
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Max Output :
30V |
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Line-Stage
Tubes : 12AX7A x3 |
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Power Supply :
6X4 |
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Dimension:
400mm x 310mm x 80mm (W x D x H) |
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Weight: 4.5kg |
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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.
Scheda fotografica:
Vediamo dietro:
Vediamo dentro:
Links :
La recensione
di TNT Audio
http://www.tnt-audio.com/ampli/audio_experience.html
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