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Absolute polarity essentially a monophonic phenomenon ?

I don't know that it is. That doesn't mean that you can't hear it with mono - I never tried because I don't have a mono switch on my amp, and you should be able to hear some of the effects with mono recordings - but it also affects stereo and therefore should effect multi-channel as well.

I do wonder whether it might not be more recognisable in stereo or multi-channel simply because of its impacts on the location of the soundstage, a phenomenon that doesn't exist in mono.

Note that inverting phase on one channel in stereo simply puts one of your speakers out of phase with the other. Used in conjunction with the mono switch, it would definitely allow comparison of channel levels as you suggest. The mono switch and its actions may be part of your problem. You're disconnecting the right speaker anyway for your tests so what I'd suggest you try is simply leaving things in stereo, disconnecting the right speaker, and then comparing the sound of the actual left channel signal in normal and reverse phase. After all, either channel on its own is simply a mono signal. Some of the differences between the sound in the left and right channels are phase differences so summing them for mono, which is what I guess is being done, may result in a masking effect.

David Aiken


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  • Absolute polarity essentially a monophonic phenomenon ? - David Aiken 12:42:16 09/11/03 (0)


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