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a431

  1. thorpej

    Location of screen taps on Triode A431S output transformers?

    House is still a construction zone, meaning my garage is not usable yet, and it's driving me nuts. But if I can't build, at least I can put thought experiments to paper, so another amp is on the drawing board. I'm planning a 6550-based ultra-linear amplifier, and I'm considering using the...
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