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

Posted over a month ago
Mississauga, ON L5E3H8(View Map)


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) +4dB(10kHz)

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

Check my other ads for more high quality vintage electronics.

Vlad 416-831-1357

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