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Topic: 20 Watt amplifier buzzing? (Read 5129 times) previous topic - next topic


although there is nothing particularly magnetic-sensitive in the circuit
I think you'll find Michael Faraday would disagree!  What I mean is that the transformer is creating a time-varying magnetic field which induces a voltage in any circuit loop threading that field.  This is basic electromagnetism.  Square transformers are usually worse than toroidal ones for creating hum this way.
[ I will NOT respond to personal messages, I WILL delete them, use the forum please ]

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