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In Reply to: RE: This works only if your speakers are polarity-coherent. posted by drlowmu on November 19, 2015 at 13:12:42
Let me say this. And hope that Clark Johnsen, author of "The Wood Effect," chimes in, since Clark wrote the book (literally) on the subject.For years and years I listened in vain to detect polarity changes. There are a number of tests on the "Chesky Jazz Sampler & Audiophile Test Compact Disc," including one where a piece of music is played and the polarity shifts midway. I could never hear the shift. Suddenly, listening to the test via my then-new Gallo Reference 3 speakers, the shift was clear as day. I wrote Gallo and a VP confirmed what I said here and that the Reference 3s were "especially sensitive to polarity." That's for sure. I came to know that while many discs/tapes were in mixed polarity (no consistency during the recording process) many others were easy to spot. Deutsche Grammophon products, for example were invariably recorded in inverted polarity.
I wore out a pair of speaker connectors making changes to hear the "right" way. Then, as noted, I got a linestage that allowed polarity changes via the remote.
Now I've lost it, and lost the polarity coherence that made it possible. I don't honestly miss it because it tended to interfere with my enjoyment of the music. One audiobuddy with a phenomenal music system who steadfastly refused to pay attention to polarity after hearing the shifts on my own system put it succinctly, "Who needs it?"
I gather that you do :-)
EDIT: IIRC, The Gallo Reference 3 had NO crossover between mids and highs and only a single capacitor between mids and woofer. And the wiring among all drivers assured that they were polarity-coherent.
Edits: 11/19/15Follow Ups:
I could hear it easily, first with my Audiostatics and then later with my Acoustats. THen i heard it with my Reference 3as. Now, I hear it again with my Odeons. I have a thing for time coherent speakers it seems...
I appreciate your explanation.I had seven-way Fulton P-12 Premiere speakers for many years, and with that, and, almost any good speaker system, "I" am always wanting to hear it with the source played back correctly in absolute phase, when doing my serious listening.
Just (three weeks ago) I spent part of a night - and showed a Kansas City audiophile, ( with a full-blown ALTEC A-4 system set up in his huge listening space 45' by 25' by 14' ), the difference between in and out of absolute, and HE is now on the bandwagon to hear everything optimally.
One size does not fit all. Do as you WISH !! I am glad you are happy. I will do what makes me happy. Regards and my best wishes to you.
Jeff Medwin
Edits: 11/20/15
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