Super Rare
1986
SANSUI QS-1 Four Channel Synthesizer Decoder Vintage 1970 Hi End On 220 volts NEW! Four Channel Synthesizer Decoder (1970-72) Description: Sansui's history-making 4-Channel Synthesizer Decoder QS-1, the ingenious yet inexpensive instrument that magically transforms 4- channel stereo signals into a breathtakingly live sound field. An extraordinary stereo achievement, the QS-1 is having a profound impact on the entire world of stereo in two ways. First, it permits stereo enthusiasts to continue to use and enjoy their present 2 channel stereo equipment and program sources while moving into the new audio era. And secondly, it is obviating the need for 4 channel equipment and program sources per se because, as distinguished audio technicians have attested, the QS-1 actually surpasses any 4 channel devices yet developed in terms of sound field brilliance.
Great Sansui stereo with up to four speakers. It is a beautiful and amazing sounding receiver! The initial G series from Sansui are the ones to get, built like a tank and amazing sound quality. Plus that amazing silver and gold face, a real classic from the 70s. I just had it proffessinally cleaned and refurbished. 65 Watts Per Channel into 8 ohms Frequency response: 5Hz to 50kHz Total harmonic distortion: 0.03% Damping factor: 30 Input sensitivity: 6mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line) Signal to noise ratio: 78dB (MM), 95dB (line) Channel separation: 60dB (MM), 65dB (line) Output: 150mV (line), 43mV (DIN) Speaker load impedance: 8Ω (minimum) Dimensions: 505 x 187 x 409mm Weight: 17.5kg 220 V All Discrete DC Amp Design Two Phono Inputs and two Tape Monitors 4 Channel Adaptor Mic Input with level Dolby FM/de-emphasis Switch Tone Defeat Switch Subsonic and Hi Filters FM Muting and FM Stereo Switch Aux Input Separate left and right Power Output Meters Tuning Signal Meter Strength Meter