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Replacement model 20 output transformer
Tubesforme
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03-31-2015, 03:09 PM
(03-30-2015, 11:48 AM)codefox1 Wrote:  Truth is almost any output transformer from  the era will be OK, worst match would mean lower maximum volume. If you get a "universal" one adjust for best tone/volume.

Thank you to everyone. I am using an NOS transformer that had the paper work with it showing how to wire it for PP 71A's as well as all other output tubes of the era. So my problem is solved.
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RE: Replacement model 20 output transformer - by Tubesforme - 03-31-2015, 03:09 PM



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  1. The PHILCO Phorum
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