Re: Useing the LL1660S for Concertina phase splitter

K&K Audio / Lundahl Transformers

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I came across this thread while reading the archives this evening. The claim is made that it's possible to build a single-ended "iron concertina" wired so that the DC bias current cancels while the AC signals add. Morgan Jones even says you can do so in "Valve Amplifiers." I'm convinced that this is impossible, since, as a simple examination of the circuit shows, the signal currents are in phase with the DC bias currents. It follows that if you wire the circuit for zero DC in the core, you end up with a dead short at AC.
I would be delighted if someone could prove me wrong, but I don't think so...
Comments?
-Henry

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Topic - Re: Useing the LL1660S for Concertina phase splitter - Henry Pasternack 17:28:26 05/31/05 (4)

Re: Useing the LL1660S for Concertina phase splitter - Jon Lane 19:54:26 05/31/05 (3)

Re: Useing the LL1660S for Concertina phase splitter - Henry Pasternack 05:42:21 06/01/05 (2)

Re: Useing the LL1660S for Concertina phase splitter - KevinC 08:18:26 06/01/05 (1)

Thanks, Kevin (nt) - Henry Pasternack 14:01:08 06/01/05 (0)

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