Quote:
Originally Posted by ms660
Quote:
Originally Posted by TerryB44
I have disconnected the playback head completely and the hum is no different and behaves in exactly the same way when speed is changed. Would this elimate the head as the problem with regard to hum?
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Open circuit (ignoring the 2.2meg) grid circuit = hum.
Lawrence.
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If you want to be absolutely sure, try connecting together the two points from where you disconnected the lead leads. Hum should vanish completely.
Mike