Sansui QS-1 Quadrophonic Synthesizer Decoder Solid State 4-Channel Wood Case

Sansui QS-1 Quadraphonic Synthesizer 2 / 4 Channel Processor Tested Working

SANSUI QS-1 Quadraphonic Synthesizer

SANSUI QS-1 Quadraphonic Synthesizer Vintage Clean Tested

Sansui QS-500 Amplifier 4 Channel Rear Quad Quadraphonic Tested Works Read

Sansui QS-1 Quad Processor

Sansui AU-7900 Integrated Amplifier Stereo Hi-Fi Audio Equipment Tested Working

Vtg Sansui B-1000 Stereo Power Amplifier Tested Working Japan 80's