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andreasf 28th September 2012 06:07 AM

Home Theater bypass for a tube pre amp - Help!!!
I recently purchased a tube pre amp and would like to install a HT bypass. I got the Elma selector switch and would like to use the existing pre amp output.
How would I go about wiring in the bypass without interfering with the pre amp circuit. I tried just straight wiring but there seems to be interference with the circuit - feedback.
Any ideas, guidance from knowledgeable diy'ers

Thanks and cheers

Bigun 7th October 2012 12:38 AM

You need to make sure that if you are just connecting the input to the output with a bypass switch that you have the pre-amp powered OFF or you are creating a positive feedback loop.

andreasf 11th October 2012 05:15 AM

Thanks Bigun
Thanks for the info. Is there a other way to accomplish this without having to turn off the pre amp?

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