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filament

  1. S

    Lighting up old tubes

    So i have some old el34s that are no good but the filaments still work. So I was thinking about building a display and just have the filaments light up. I want to make sure I have this correct. I need a 6v power supply, each tube needs 1.5a. I found this on amazon...
  2. R

    Hum and hiss Marshall JCM 800

    Hi everybody. I hope that somebody can help me thinking. I have looked at this amp for a while, and I have problem thinking rationally. I have uploaded a video who explain the problems with the amp. I think it is a grounding problem, I have checked all point of soldering, twisted the filament...
    • rbotn
    • Thread
    • artiste filament hiss hum jcm800
    • Replies: 8
    • Forum: The Workbench

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