Pioneer - QX 949 A - Quadraphonic - Stereo receiver - Catawiki
SQ Quadraphonic, The Spectacular Sound Of Four Channel Stereo (Vinyl) - Discogs
Multisonics - Sanyo 4 Channel Quadraphonic Modular $795... | Facebook
VTG Pioneer QX-9900 Quadraphonic Stereo Receiver Discrete 4CH & Matrix - electronics - by owner - sale - craigslist
Multisonics - Sanyo 4 Channel Quadraphonic Modular $795... | Facebook
Kenwood KR-9940 4-Channel Quadraphonic Receiver - Professionally Clean – Audio-Exchange-RVA
Sansui QRX-6500 Quadrophonic/Stereo Receiver | Reverb
Sanyo DCX 2700 K 4 Channel Quadraphonic Stereo Receiver Amplifier Audi
Multisonics - Sanyo 4 Channel Quadraphonic Modular $795... | Facebook
Vintage Rare Akai "Super Monster" AS-980 Quadraphonic Stereo Receiver for Sale in Punta Gorda, FL - OfferUp
Sansui - QR-6500 - Quadraphonic - Wood Case - Stereo - Catawiki
Quadraphonic: The forgotten surround sound of the 70s
popsike.com - ANTIQUE QUADRAPHONIC STEREO SYSTEM BY SANYO FROM 1973 - auction details
pioneer qx-4000 quadraphonic fm/am quad stereo receiver for parts or repair | eBay
RARE Fisher 534 Quadraphonic Stereo Receiver - 4/2 Channel Quad 1970s Woodgrain | Reverb
Fisher 4025 Quad Quadraphonic Stereo Receiver w/Phono Preamp SERVICED Audiophile 1972 | Reverb France
Fully Restored Marantz 4000 Quadraphonic/Stereo Preamp - Very Rare and Mint Condition | Reverb Finland
Vintage Pioneer QX-949 Quadraphonic 4 Channel Stereo Receiver | eBay
Quadraphonic Receiver for sale | eBay
Panasonic SD-209 Quadraphonic Phono 8 track receiver, EXC cond. but needs work! | eBay
Rare Pioneer QX-949A 4 Channel Quadrophonic / Stereo FM/AM Receiver | Reverb Greece
Sanyo synthesized Quadraphonic Hi Fi - YouTube
Quadraphonic Receiver for sale | eBay
