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Jazz, you and he are talking about different polarities...

He wrote: > I switched the ac polarity at the male end of my AC plug<

so he's talking about AC MAINS (115VAC) plug polarity, which can make a difference for sure.

What you are talking about is SIGNAL ABSOLUTE POLARITY -which also can make a difference - in fact we build our big RTP3C differential preamp with "+" and "-" phase/polarity positions for each input selector point. Like phone "+" and "-", Digital "+" and "-" etc.

The SCD-1 outputs 'correct' absolute phase - but as studios and recording engineers seldom ensure this is followed throught their whole recording chain -on average 50% of your recordings will be "in polarity" and the other 50% "out of polarity". That's why we have that complex input selector - so you can optimise for each different disc you play...

Allen

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