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Phase inverting preamps

Apologies in advance for this newbie question. I was reading some reviews of preamps and a couple said that the preamp "inverts phasing" and that this would have to be accounted for elsewhere in the system. I know what phasing means, but how and where does one allow for it elsewhere in the system?
4yanx

Showing 1 response by cleeds

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cleeds
5,658 posts
 
herman

If you take a pure sine wave and shift it 180 degrees then it will look EXACTLY the same on an oscilloscope ...
Pretty much!

... and will sound EXACTLY the same
That is very debatable. My preamp has a phase invert switch and on some recordings, the difference is very audible.
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