Woofer feedback through Gallo subamp

Tubes Asylum

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I experience loud, low-frequency feedback whenever I turn off my main amp before turning off my Gallo subamp driving the second voice coils of Gallo Ref3 speakers. I think the primary coils are acting as a microphone. Is this harmful to the system? Has anyone figured out a way to avoid it (besides using low-level inputs to drive the subamp)?
Thanks!

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Topic - Woofer feedback through Gallo subamp - tantra 19:12:07 03/23/06 (4)

I love to read posts about the Ref 3s, which I have, - Dave Pogue 10:51:36 03/24/06 (0)

Re: Woofer feedback through Gallo subamp - randallt 19:29:06 03/23/06 (2)

Re: Woofer feedback through Gallo subamp - tantra 06:57:06 03/24/06 (1)

Re: Woofer feedback through Gallo subamp - randallt 07:26:22 03/24/06 (0)

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