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dual jfet

  1. E

    JVC A-X9

    Hi, I am working on a nice JVC A-X9.. The right channel very randomly produces a popping noise.. It could go hours without it, and suddenly, a few minutes with popping noises. I narrowed it down to the pre-amp. Before I start replacing some transistors, I was wondering if anybody out there has...
    • Ed400
    • Thread
    • 2sk150a ax-9 dual jfet jvc popping noises
    • Replies: 3
    • Forum: Solid State
  2. H

    Dual JFET- 2SK100 - Yamaha

    Can anyone tell me how, or direct me to a page, that explains how to test a dual jfet? I want to test the 2SK100’s I have in my Yamaha C4 and A1 with a DMM. Apparently, if they’re working well, they’re interchangeable. However, I have issues in one channel in each amp and confirming their...
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