PYE Blackbox 4 speaker record player amp schematics

BoomboxLover48

Member (SA)
Dec 3, 2010
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Chicago, IL
I am looking for the schematics for PYE Black Box amplifier, the BBA version circa 1958-it is a three valve design with two PCL83, one ECC82 and a Siemens solid state rectifier.

I am looking for the schematics of this 4 speaker system.
I was unable to download it.