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Will the metro 50w PT and OT work in my JCM900?

Posted: Tue Feb 16, 2010 5:34 pm
by sirbevo
I want to replace the OT with a (784-139) and PT with a (1202-118) for my JCM900 4500 (50w). It currently uses 5881(6l6) tubes. Will these transformers work in this head?

Thanks, Michael