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Author Topic: 1n2 Ground switch  (Read 5505 times)
rvf263
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« on: January 25, 2010, 01:45:27 AM »
Hi all,
I was wondering if you can tell me what this switch does. I noticed on some build pics this switch is not even used. Why is that?

Thanks!
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RvF
JD0x0
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« Reply #1 on: January 25, 2010, 04:48:50 AM »
its a ground lift, reverse switch. it's not needed unless youre using two amps at once in which case you would need to lift the ground off one amp to eliminate hum.
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It's true i've lost my marbles and i can't remember where i put them.
rvf263
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« Reply #2 on: January 25, 2010, 07:19:31 AM »
Thanks JD0x0!
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RvF
erwin_ve
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« Reply #3 on: January 25, 2010, 08:01:30 AM »
FWIW: it's not wired and it's forbidden in EU /USA. The switch was connected to the hot wire for wall voltage and capacitor to ground. If the capacitor ever fails the chassis becomes the hot wire; very dangerous!
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hywelg
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« Reply #4 on: January 25, 2010, 10:28:10 AM »
IF it is wired in you have a very early example and should disconnect it and provide a proper ground.

If you a running a feed to two amps use a proper signal ground lift device such as the Gigrig Humdinger
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rvf263
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« Reply #5 on: January 26, 2010, 06:51:58 AM »
Thanks everyone for clearing that up!

I thought it was just not used in the EU.
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RvF
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