Sansui qr6500 schematic

SANSUI
monumental audio achievement-perhaps the most important in Sansui's
long and illustrious history. A combination of the fabulous new Sansui 4-Channel Synthesizer Decoder, a mighty 280 watt control amplifier and a super-sensitive AM/FM multiplex stereo tuner, the QR-6500 is the receiver for the serious audio enthusiast who's ready for awesomely
brilliant multi-dimensional sound field reproduction. This top-of-the-
line 4-channel receiver reproduces as no other can, the intensity, the vibrance, and the delicate nuances of live performances. Close your eyes and you're transported from your own living room to Carnegie Hall, the Hollywood Bowl, La Scala—wherever your stereo heart calls home. The most important element of the QR-6500, of course, is the Sansui
QR-6500
4-CHANNEL
STEREO RECEIVER
This
is a
4-Channel Synthesizer Decoder, uniquely able to convert today's 2-channel stereo records, tapes and FM stereo broadcasts into exciting 4-channel sound. And then able to decode 2-channel stereo programs encoded from four channels back to their original 4-channel format. Completely electronic with advanced integrated circuits in its 4-channel synthesizing/decoding matrix, it includes no mechanical time delay or echo device which might impair the quality of reproduced sound. But the greatest assets of the Sansui 4-Channel Synthesizer Decoder are its phase shifter and exclusive phase modulator circuits which process the rear channel sounds to achieve the sound field phenomenon that
distinguishes live performances. The QR-6500 4-Channel Stereo Re­ceiver. Sansui's inspired monument to the world's greatest music.
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