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Old 09-29-2022, 10:15 AM
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Yamamaya42 Yamamaya42 is offline
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Join Date: Nov 2018
Location: Round Rock TX
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AGC will react to any kind of input to the grid of the 1st IF amp, be it a clean RF source, or noisy garbage and alter tube bias on pin 8, you so much at get a finger near C10 , let alone touch the leads, on the input side, ACG will change the bias of the tube.
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