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> Classifieds > > > Sansui AU-Alpha 707NRA Ultimate Alpha-X balanced amplifier

OFF - FOR SALE: Sansui AU-Alpha 707NRA Ultimate Alpha-X balanced amplifier

Item #649402569
Info: Sansui AU-Alpha 707NRA Ultimate Alpha-X balanced amplifier

Asking Price:
CAD $2000.00
Condition: N/A (?)
Date Posted: Dec 28, 17 10:48am (PST)
Edited: Jan 23, 18 5:44pm
About Seller: vintageHiFi
vintageHiFi is a premium user
Mississauga, ON
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For sale a very rare and very high quality SANSUI AU-Alpha 707NRA Ultimate Alpha-X balanced amplifier in mint shape. Amplifier in excellent working order, everything works properly, no any issues.

Amplifier specs.:

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 / 10kohm (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

Input sensitivity/impedance
(1kHz) Phono man month: 2.5mV / 47kohm
Phono MC: 300 microvolts/100 ohm
compact disk, Tuner, Line, micro disk/Tape1, Tape2:150mV/20kohm
Phono maximum permissible input MM(THD 0.01%):210mV
MC(THD 0.1%):21mV
the frequency characteristic (1W) Phono man month: 20Hz-20kHz±0.2dB
compact disk, Tuner, Line, micro disk/Tape-1, Tape-2:DC - 300kHz+0 -3 dB
SN ratio (A network) Phono man month: 88dB or more
Phono MC: 70dB or more
compact disk, TUner, Line, micro disk/Tape-1, and more than Tape2:110dB
Tone control The Bass maximum variation: ±6dB (50Hz)
The Treble maximum variation: ±6dB (15kHz)
Subsonic Filter 16Hz (-3dB), 6dB / oct
Loudness +6dB(50Hz)

Power dissipation - 330W
Dimensions : Width 462x height 165x depth of 446mm
Weight - 23.6kg

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