In Reply to: What tubes to use with fisher 500b output transformers same part # posted by pipo on March 17, 2007 at 05:46:46:
I think the stock output tubes on the 500B were PP 7591's- so obviously those would work, perhaps others.
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Follow Ups
- Re: What tubes to use with fisher 500b output transformers same part # - caffeinator 09:25:43 03/17/07 (1)
- Re: What tubes to use with fisher 500b output transformers same part # - Eli Duttman 10:34:44 03/18/07 (0)