Quote:
Originally Posted by radiotvnut
According to the schematic, the amp chassis contains two 6V6's in PP to drive the center channel and these are driven by a 12AX7 on the main amp chassis. There is a 6BQ5 for the L channel and another 6BQ5 for the R channel, both being driven by a 12AX7 that's hiding on the preamp chassis that contains the volume, balance, bass, and treble controls. There was also a version of this console that contained an AM/FM radio.
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Oops, I made an assumption there were no more tubes than the photo shows.
The P-P 6V6 are obvious. I have a Motorola stereophonic amp chassis from 1961, there are three or four 6BQ5 (bass channel is PP?) IIRC.
Im looking forward to hearing how yours sounds.