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[AMPS] Simulating center tap

To: <amps@contesting.com>
Subject: [AMPS] Simulating center tap
From: rakefet@rakefet.com (Vic Rosenthal)
Date: Tue, 16 Nov 1999 13:51:13 -0800
measures wrote:
> 
> >
> >I just noticed that the filament transformer I was planning to use (got it
> >free)
> >for my 2 x 3-500z amp does not have a center tap.  It has two 5v 20a windings
> >which I was going to put in parallel.
> >
> Put the windings in series and you have a CT.

But then the "CT" is unbalanced with respect to each tube, since the filaments
have to be in series too.  How is this different from putting them in parallel
and connecting the b- return to one side?

73,
Vic, K2VCO
Fresno CA

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