On Mar 3, 2005, at 1:43 PM, Japerlick@aol.com wrote:
> Actually, I can't accept EVER connecting tube filaments in series. I
> know it
> is done in the old 7-tube table top radios, but it is very scary in a
> 3-500
> amp!
Henry Radio Co. and Trio-Kenwood successfully use series-connected
3-500Z filaments.
> I would definitley recommend using a transformer that allows you to run
> the filaments in parallel rather than in series. ... ... ...
Why?
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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