Ground lift?

Whaam68 · 1365

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Offline Whaam68

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on: October 06, 2015, 10:11:52 AM
Hi
I built my quickie a while back and have used it on CD with no problems.  When hooking up to my rega turntable and phono stage there is a massive hum.  I don't get this on my other preamp which has a ground lift switch.  I'm planning to rewire the. rB300 to put a proper earth wire on it but in the meantime is it possible to add a ground lift switch and how would I do that?
Thanks
Mike



Offline Paul Birkeland

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Reply #1 on: October 07, 2015, 06:05:04 AM
The earth is already lifted.

Try running a wire from the chassis of your phono preamp to the shell of an RCA jack on your Quickie.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline Whaam68

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Reply #2 on: October 07, 2015, 07:40:07 AM
Will do...thanks!


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