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6550 EH direct replacement for KT88?

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  • 6550 EH direct replacement for KT88?

    I have a Sunn Coliseum PA amplifier that I am restoring. The schematic indicates KT88 output tubes. Can I use 6550 Electro Harmonix tubes?

    Other advice would be appreciated on restoring this beast.

  • #2
    Originally posted by Axtman View Post
    I have a Sunn Coliseum PA amplifier that I am restoring. The schematic indicates KT88 output tubes. Can I use 6550 Electro Harmonix tubes?

    Other advice would be appreciated on restoring this beast.
    Yes you can. Any of the current 6550 or KT88 types would be fine. Personally I like the JJ KT88 in my Sunns.

    Greg

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