Tube mono-block amp with SIX 6L6 outut tubes
RCA Theater amps back in the day used between two and six 6L6 tubes depending on the required function. They were all monoblocks, sometimes from a common power-supply. Towards the end of their heyday, when Stereo sound-tracks were becoming more common, the center channel (the speaker directly behind the screen) would run from the optical sound-track, and the left and right from the magnetic sound track.
Peter Wieck
Melrose Park, PA
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