572B Tubes

Discussion in 'Amateur Radio Amplifiers' started by AG4RT, Nov 3, 2015.

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  1. KK4YDR

    KK4YDR Ham Member QRZ Page

    Probably a good thing. I heard that was a problem in it's self. Gold was probably vaporizing and leaving cheap Chinese pot metal underneath as the grid hah

    Anyways my next and first tube amp is between an AL-82 or AL-1500 and I'm thinking the 8877 Eimac will last 20 years at the way I would run it.
    Last edited: Dec 23, 2015

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