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In Reply to: Fourier Components "Sans Pareil"?? posted by Ivan303 on October 21, 2004 at 14:16:16:
I know very little about the Fourier OTLs beyond looking at their schematic (courtesy of good-guy John Atwood).
This is essentially a Futterman design - and totally different from the Circlotron approach of Atmasphere/Karsten.
Follow Ups:
Someone been telling me a STORY!That explains a lot ;-)
Fourier, indeed appeared (on paper at least) to be a more robust circuit (than my OTL3 anyway), I am certain a totem pole or stacked series parallel configuration, tube bank ala' JF.Absolutely a variation of, (90% like) my OTL3s, I studied them both a while back. Most certainly NOT (as good as) Ralph Karsten concepts . . . I own both.
Mike,
The Fourier amps sounded excellent...a completely different approach from Atma-Sphere, which also are excellent but a different flavor... You might want to change your registration here to (D) to reflect the fact that you are a dealer of the latter...
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