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7591 tube

  1. J

    Fisher 500b Red Plate

    Hi, I'm new here but have been following and gaining knowledge here for many years. I have had a Fisher 500b for about 25 years, no wood cabinet. It is serial number 11233 and has the 7591 tubes inboard of the OPTs, and has the Z on the mpx. When I bought it, it had original Fisher 7591 tubes...
  2. James Cox

    Scott 340b no right channel

    So I've been working on a Scott 340b receiever that came with a bundle of tube gear i purchased about a year ago. Ive managed to restore all the other gear but I keep running into problems with the Scott. After recapping (except the cans) it a few months ago everything worked well except i had...
    • James Cox
    • Thread
    • 7591 tube can capacitors no right channel receiver scott 340b
    • Replies: 39
    • Forum: Tube Audio
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