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"WHAMMY" Pass DIY headphone amp guide
"WHAMMY" Pass DIY headphone amp guide
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Old Yesterday, 09:28 PM   #911
cubicincher is offline cubicincher  Germany
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Location: Hechingen, South of Germany
Could be symmetrical - double mono preamp? Am I writing nonsense?
One whammy board for left and right - each channel of one board drives + or -?
Because of this all the XLRs?
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Old Yesterday, 09:55 PM   #912
kevinr is offline kevinr  United States
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Join Date: Jun 2009
Default wiring illuminated power switch

I'm just finishing up my project and had a question.
My chassis power cable has an AC Live fused black wire, Green wire Ground to star washer on Chassis and a white Neutral wire .
In the Build Guide it states; if you add a power switch " Switch the Live Lead " in Bold type.
The AC Live Pad is the one closer to the Middle of the PCB per the build guide notes.
I purchased a 3 terminal SPST switch with LED marked with terminals symbols Power , ACC, and Ground.

TOGGLE SWITCH BLUE ILLUMINATED ON/OFF SPST 3P SPADE TERMINALS 25A 12VDC #662051 | eBay

I don't want to damage my PCB and just want to make sure the ACC and Ground Symbol terminals on the power switch will be connected to the WHAMMY PCB AC Pads correctly. I know the fused Live wire goes to the Power terminal on the switch.
Thanks
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Old Yesterday, 09:59 PM   #913
6L6 is offline 6L6  United States
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"WHAMMY" Pass DIY headphone amp guide
Quote:
Originally Posted by cubicincher View Post
One whammy board for left and right - each channel of one board drives + or -?
Because of this all the XLRs?
Yes.
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Old Yesterday, 10:15 PM   #914
labjr is offline labjr  United States
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Location: MA
Will everyone start making balanced Whammy's? How well do the parts have to be matched?
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Old Yesterday, 11:05 PM   #915
wayne is offline wayne  United States
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"WHAMMY" Pass DIY headphone amp guide
The standard 1% resistors will be just fine. The rest of the parts are also fine.
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