46 reactions · 8 comments | Before Dolby 5.1 surrond sound there were 4 channel quadraphonic receivers in the 1970s. Here is a great example, the Pioneer QX 747. Love 'em or hate 'em, no denying it's a beauty! #pioneerqx747 #quadraphonic #vintage | Mount Dora Vintage | Facebook
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46 reactions · 8 comments | Before Dolby 5.1 surrond sound there we…
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Vintage 70s Panasonic Quadraphonic Stereo Receiver & 8 Track Turntable (unrestored) - Etsy
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Vintage 70s Panasonic Quadraphonic Stereo Receiver & …
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How Was Discrete Quadraphonic Audio Different?
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How Was Discrete Quadraphonic Audio Different?
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What was the purpose of quadraphonic audio?
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What was the purpose of quadraphonic audio?
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Did quadraphonic sound use special speakers?
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Could Quadraphonic Audio Work Without All Four Speakers?
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Could Quadraphonic Audio Work Without All Four Speakers?
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Why Were Four Speakers Needed For 70s Quad Sound?
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How did quadraphonic sound work in the 70s?
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Was Four Speakers Always Required For Quadraphonic Sound?
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what are the best 70s QUADRAPHONIC albums ?
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What Was Needed For Quadraphonic Immersive Audio?
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Why Did Quadraphonic Sound Decline?
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What kind of records supported quadraphonic sound?
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How did quadraphonic sound differ from stereo?
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Why Did 70s Quadraphonics Fail?
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What exactly was quadraphonic sound?
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What Challenges Faced Quadraphonic Audio?
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Why Did Quadraphonic Sound Never Replace Stereo Hi-Fi? - Im …
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How Did People Listen To Quadraphonic Music In The 70s?
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What Were The Problems With Quad Stereo?
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How Did Four Distinct Audio Channels Work In The 70s?
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How Did Quadraphonic Home Audio Lose Popularity?
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What Was Needed For Quadraphonic Audio In The 70s H…
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How Widespread Was 70s Quadraphonic Home Audio?
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When Did Quadraphonic Sound Peak?
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Did Four Audio Channels Make 70s Quadraphonic Sound?
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