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In Reply to: RE: Can sound cleaner but loses the magic midrange. posted by Skip Pack on August 03, 2014 at 10:18:36
Only one way to tell - experiment!
My theory is that the missing even-order harmonics (which you would get with either implementation of push-pull) are the cause of the more hollow sound of P-P even with no feedback. So I would not ecpect this to do what you hope it will.
The theory of reversing magnetics to which you refer does not match with what is actually known about core materials, so I don't believe that theory.
However, even if I am right on both theories, that does not by itself prove that it's not in the transformer - one must remember that theories are just theories, and data is still data - so much of what we hear is unsupported by any plausible theory at this point!
Follow Ups:
Just a sort of "hoot-out" for the board sponsors, really. Maybe a special shout to loonies like PJ who gutted-out the whole Thang (heya Dan).
Good thread, the sorts of which "here we used to be Lousy-with" (matey!?!??).
Thanks for keeping a channel open. Calendar informs me that it's 2014--lotta-folk have Quite Some lashups in the rearview since the Latest Renaissance :) Probably lots of us also would welcome an update from a lot of (long-silent but hopefully still-lurking) voices...
Please continue :)
Thanks Paul,
> Only one way to tell - experiment!
I'm not sure I'm up to buying six matched quality tranformers, but it would be fun!
> The theory of reversing magnetics to which you refer does not match with > what is actually known about core materials, so I don't believe that > theory.
This is certainly evidenced by your design preference for parafeed SE. My occasionally trustworthy ears place parafeed SE between series SE and PP class A. I don't trust my conclusions without at least a few months exposure in my own system, and your S.E.X. 2.0 is the only one in this comparison that I've heard for that period of time. I use and enjoy it to this day.
Skip
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