szczemirek

FS: SANSUI AU-α707MR

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Posted (edited)

SANSUI AU-α707MR

Like in new condition. Amplifier from https://www.hifido.co.jp/?LNG=E with guarantee and after complete checks.



Main Specifications:

130W (8 Ohm) rated power consumption 330W
W471 × H162 × D452mm
weight 23.5kg

https://audio-database.com/SANSUI/amp/au-alpha707mr-e.html

Maintenance information:

03/03/2019 maintenance - decomposition modification of the input selector and cleaning, power amplifier direct, source direct, tape selector switch decomposition and cleaning, power supply, power amplifier section, pin jack solder repair, protector unit output relay exchange, headphone relay exchange, other: internal inspection and cleaning, the output waveform confirmation, adjustment inspection.

Accessories:

There is no accessory. I have step transformer 1000VA.

Looking for 1100GBP

Power amplifier part:
Effective output (10Hz - 20kHz)
Both channel simultaneous operation 160W+160W (6ohm)
130W+130W (8ohm)
THD (at the time of an effective output) 0.003% or less (8ohm)
Cross modulation distortion 0.003% or less (8ohm)
Dumping factor 150 (8ohm)
Frequency characteristic (1W) DC-300kHz+0 -3dB
Input sensitivity/impedance 1V / 5kohm (1kHz)
SN ratio (A network) 120dB or more
Dynamic power 405W (2ohm)
320W (4ohm)
210W (6ohm)
TIM distortion (Sawtooth) Below a limit-of-measurement value
Slew rate 200v/microsec
Rise time 0.5microsec

Preamplifier part:
Input sensitivity/impedance
(1kHz) Phono man month: 2.5mV / 47kohm
Phono MC: 300 microvolts/100 ohm
compact disk, Tuner, Line, Tape/DAT1, 2:150mV / 20kohm
Phono maximum permissible input MM:210mV(THD 0.01%)
MC:21mV(THD 0.1%)
the frequency characteristic (1W) Phono man month: 20Hz-20kHz 0.2dB
compact disk, Tuner, Line, Tape/DAT1, and 2 C-200kHz+0 -3 dB
SN ratio (A network) Phono man month: 88dB or more
Phono MC: 70dB or more
compact disk, Tuner, Line, Tape/DAT1, 2:110dB or more
Tone control The Bass maximum variation: 6dB (50Hz)
The Treble maximum variation: 6dB (15kHz)
Subsonic Filter 16Hz (-3dB), 6dB / oct
Loudness + 6dB (50Hz), +4dB (10kHz)

Others:
Power dissipation 330W
Dimensions Width 471x height 162x depth of 452mm
Weight 23.5kg

Thanks

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Edited by szczemirek

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Moderator

Photographs aren't visible

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Moderator

Photos not showing .

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Moderator

Photos showing now :^.

  • Upvote 1

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Super Wammer

Wow. Quite a looker, quite some specs. GLWTS

  • Like 1

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Super Wammer

Just wondered why photos are taken in a Hifi shop... 😜

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2 minutes ago, radiant red said:

Just wondered why photos are taken in a Hifi shop... 😜

Pretty sure they are the ones taken by the seller in Japan.

It's a lot of amplifer!

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Moderator

Is this the same amplifier that you sold last year?

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Posted (edited)
Quote

Pretty sure they are the ones taken by the seller in Japan.

Because they photos are good quality, Friends.

If it matter I'll try tomorrow make photo in mine.

I believe that amplifier don't lose shape.

Edited by szczemirek

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Super Wammer

Wow that's gorgeous. 

GLWS

kindest regards Julian 

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