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In Reply to: RE: Agree posted by Tre' on October 19, 2014 at 15:21:50
"Finally, a silver primary would not offer a performance improvement anyway as it provides the flux for the secondary."
This is nonsense - one listen will show to the contrary. And I don't mean with pedestrian EI cores.
Follow Ups:
Adding to my previous post, Jack's logic above implies the signal flow is one directional, like a diode, which is incorrect. Just as the primary winding applies flux to the secondary, the secondary applies flux to the primary (speaker's back EMF and reflected load impedance). Therefore, if there is benefit to using silver in the secondary, then it's also beneficial to use in the primary.
.
Have Fun and Enjoy the Music
"Still Working the Problem"
Donald, instead of a subjective listen, are there technical inaccuracies in what Jack is saying?I thought the advantage with silver, apart from it's lower resistance and the fact that silver oxide is a much better conductor than copper oxide, was it's ability to react to flux changes better than copper?
Why that would be true, I have no idea.
Is Jack totally off base?
TK, I would appreciate your input as well.
Edit to add, Wouldn't this be easy to test?
A Sawsall with a magnet attached to the blade. A coil of silver and a identical coil of copper. A scope (or volt meter).
The one that outputs more voltage is responding to the flux lines better. Right?
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
Edits: 10/19/14
When I first met Jack in 2001-2002 he was a disbeliever in the benefit of silver. Later he started offering the silver-plated secondaries with the rationale as you quoted. From my experience with MC step-up transformers, TVCs, and output transformers, I've found silver windings provides many sonic benefits to clarity, life, and resolution. I believe it has something to do with magnetic flux sensitivity and have asked some Caltech faculty for their insight into the difference in behavior and to quantify, I suspect it will require a sensitive test setup. With that being said, there is a sonic benefit to also using silver windings in the primary. The improvement from copper primary/silver secondary to all-silver windings was not subtle to me in my system. I highly recommend you hear it for yourself.
I'm not disputing what you heard and it's very possibly that I would hear the same.
What I want to know is the technical reason why.
Thanks.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
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