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Author Topic: Peavey USB-P inverted polarity on one channel  (Read 1898 times)

Keith Broughton

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Re: Peavey USB-P inverted polarity on one channel
« Reply #10 on: February 15, 2018, 06:04:26 am »

I can't tell for sure from Keith's photo, but is it possible that one of the transformers was installed backwards (rotated 180)?  There appears to be a little dot on the PCB that corresponds to a mark on the transformer bobbin.  They line up in Keith's photo, but maybe not on Jonathon's.

GTD
I was considering that and included the pic so the OP could compare.
It's the only way I can see of a polarity reverse other than an outboard cable or console channel setting issue.
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Will Knight

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Re: Peavey USB-P inverted polarity on one channel
« Reply #11 on: February 22, 2018, 05:27:17 pm »

I picked up one of these several months ago and have used it with Win7 and Win10 laptops without noticing any issues.
Will have to try your "mix-to-mono" proofing method to see if I encounter anything when I return from my current trip abroad.
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