Pete H Posted December 20, 2019 Share Posted December 20, 2019 Does anyone have any experience with this little integrated amp? I know it was sold to decode quadraphonic recordings and power additional channels but I might have a clean one local and I like the looks of the unit for a small bedroom system with some bookshelf speakers. I just don't know if they sounded any good. I know it won't sound like my 8080db, but any information would be appreciated. Quote Link to comment Share on other sites More sharing options...
Kruhlin Posted December 23, 2019 Share Posted December 23, 2019 (edited) Hi Pete, I am no expert but a friend of mine had one of these many years ago and he loved to tinker with it. My uneducated opinion is that's about all it was good for. I don't believe it can be used as a standard integrated amp, but takes a tape out feed from an amp to power a second set of speakers. He had a main 2 channel amp and fed the "front" speakers with the main amp while passing the signal in parallel to the QS 500 through tape out from the main amp. The "rear" speakers were powered by the QS-500 fed through from main tape out. If I recall, it wasn't truly decoding a quad signal but had a number of options to simulate quad. Again, I am no expert, just my recollection. Edited December 23, 2019 by Kruhlin Quote Link to comment Share on other sites More sharing options...
billybob Posted December 23, 2019 Share Posted December 23, 2019 Not the unit but just happen to have the manual for this loaded features unit ...cool Quote Link to comment Share on other sites More sharing options...
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