Vintage Sansui AU-999 Solid State Integrated Stereophonic Amplifier 1970-1972

Notes

• Specifications
• Power output: 50 watts per channel into 8Ω (stereo)
• Frequency response: 20Hz to 70kHz
• Total harmonic distortion: 0.4%
• Damping factor: 45
• Input sensitivity: 3mV (mic), 2mV (MM), 200mV (DIN), 200mV (line)
• Signal to noise ratio: 80dB (mic), 80dB (MM), 85dB (line)
• Output: 200mV (line), 30mV (DIN)
• Speaker load impedance: 4Ω to 16Ω
• Semiconductors: 41 x transistors, 16 x diodes, 2 x triac
• Dimensions: 18-1/8 x 6-1/8 x 12-1/2 inches
• Weight: 38.5lbs
• The AU-999 is the most advanced professional control amplifier ever manufactured by Sansui.
• Designed specifically for the ardent audiophile, it features the refined dull black panels common to all AU series professional control amplifiers from Sansui. The pre-amplifier section is constructed of carefully selected low-noise PNP silicon transistors, while the power amplifier section features direct-coupled circuits specially developed with the improvement of tonal quality in mind. Together, they permit the AU-999 to deliver a full 180 watts (4 ohms) in music power output with unprecedented tone quality. The AU-999 is lavishly endowed with accessory circuits. These include a tone selector circuit, an improved form of the triple tone control circuit that offers a choice in selecting the critical frequencies of tone control; a speaker selector which permits connecting three sets of speaker systems; a balance check switch which simplifies the job of adjusting for optimum balance of the right and left channel sound volumes; facilities to connect two phonographs and two tape decks, and a tape reprint circuit. Special provisions have also been made to permit the amplifier to be built up into an electronic crossover stereo system and permit comparing such a system with a standard stereo set-up.

A Vintage Sansui AU-999 Solid State Integrated Stereophonic Amplifier 1970-1972 in Excellent condition!

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