Description: This Sansui AU-a507i pre-main integrated amplifier is a vintage gem that has just been serviced. It features a MM/MC phono inputs along with AUX, Tape, and CD, and is perfect for any vintage audio enthusiast. The brand, Sansui, is known for their high-quality audio equipment and this model is no exception. It's a great addition to any vintage audio setup and is sure to provide exceptional sound quality. This amp has deep throaty, unmuddled bass, with rich mids and crisp crystal clear highs. Fantastic sound. Just serviced, was cleaned, set to factory specs, transistors that were out of spec or faulty, were replaced. Works amazingly well, you will be very happy if you purchase this. Excuse the static from the AC, amp itself is clear and quiet. From the Web: This pre-main amplifier realizes low impedance load drive capability of up to 2 Ω by mounting a strong power stage and power supply. The power supply section is equipped with a heavyweight power transformer and a dedicated audio capacitor. Equipped with a source direct function, all input sources can be transmitted to the power amplifier in the shortest distance after passing the accessory circuit. Equipped with tone control equipped with defeat function. The chassis is a solid chassis with sufficient consideration for vibration resistance and shielding characteristics, eliminating the influence of unnecessary noise and electromagnetic wave noise. The REC selector allows you to disconnect the recording input / output circuit from the main signal path when the recording or dubbing function is not used. Equipped with a MM/MC switching phono equalizer. Uses a power cord with polarity display. Equipped with a subsonic filter. TypeIntegrated DC amplifier Power Amplifier Unit Effective output (10 Hz to 20 kHz, both channels driven)90W + 90W (6 Ω) 80W + 80W (8 Ω) Total harmonic distortion factor (at effective output)0.005% or Less (8 Ω) Cross modulation distortion factorNot more than 0.005% Damping factor100 (8 Ω) TIM (SAWTOOTH)Below the measurement limit Preamplifier Section Input Sensitivity / Impedance (1 kHz)Phono MM : 2.5mV/47k Ω Phono MC : 300 μ V/100 Ω Tuner, CD, Line, Tape Play : 150mV/47k Ω Phono maximum allowable inputMM:210mV(THD 0.01%) MC:25mV(THD 0.08%) Frequency characteristicPhono MM : 20 Hz to 20 kHz ± 0.2 dB CD, Line, Tape Play : 1 hz to 200 khz + 0 db -3dB Signal-to-noise ratioPhono MM : 83 dB or more Phono MC : 70 dB or more Tuner, Line, CD, Tape Play : 110 dB or higher Tone controlMaximum variation of Bass : ± 8 dB (100 Hz) Maximum variation of Treble : ± 8 dB at 10 kHz Subsonic filter16 Hz (-3dB, 6dB/oct.)
Price: 400 USD
Location: Endicott, New York
End Time: 2024-10-04T04:20:16.000Z
Shipping Cost: 0 USD
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Item Specifics
All returns accepted: ReturnsNotAccepted
Brand: Sansui
Type: Integrated Amplifier
Model: AU-a507i
Country/Region of Manufacture: Japan