Any of the "matrix" quad approaches....

Posted by EdAInWestOC (A) on March 13, 2017 at 10:59:55

In Reply to: SQ Quad Recordings posted by Tracy on March 12, 2017 at 16:38:07:

Which includes SQ, QS and ABC Command Quad used out of phase information to synthesize rear channel information. At its best the rear channel information was vague and exact placement was not something you could rely on.

The JVC/RCA/CD-4 system was more reliable at creating rear channel information but that system had its issues also. Its not worth the effort to try and locate a genuine SQ decoder for SQ quad playback. The effect you will get won't be much better than any other rear channel approach that depends on out-of-phase information.

Back in the 1970s I spent considerable money on quad playback gear and the best you will achieve is a "sort of" effect. The CD-4 system at its best could reproduce rear channel info but it suffered from reliability issues.

To be truthful, whatever you get from a SQ LP won't be much better than the effect you can get from a stereo LP. It wasn't really that good of a system.

Ed
Life is analog...digital is just samples thereof

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Follow Ups Full Thread

Topic - SQ Quad Recordings - Tracy 16:38:07 03/12/17 (7)

Any of the "matrix" quad approaches.... - EdAInWestOC 10:59:55 03/13/17 (0)

RE: SQ Quad Recordings - jubal62 09:57:31 03/13/17 (0)

RE: SQ Quad - hifitommy 17:21:43 03/12/17 (4)

RE: SQ Quad - Tracy 18:41:08 03/12/17 (3)

RE: Quad - hifitommy 20:30:09 03/12/17 (2)

RE: Quad - Travis 09:32:34 03/13/17 (1)

RE: DynaQ - hifitommy 10:47:37 03/13/17 (0)

Follow Ups

Any of the "matrix" quad approaches.... - EdAInWestOC 10:59:55 03/13/17 (0)

Any of the "matrix" quad approaches....

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