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electro harmonix

  1. ScooterMcTav

    The Poor Man's KT88

    Just wanted to share a recent experience. My Jolida JD302BRC can use a variety of power tubes including those usually compatible with EL34 (EL-34, KT77, 6CA7) and the higher powered KT88, 6550, etc. The amp just needs to be manually biased with a multimeter. When I first got the amp, it came...
  2. David_NC

    Dynaco ST-70 Startup

    I finally finished 'restoring' my ST-70 last night. I replaced all the caps, most resistors, and the selenium rectifier. All that's left is to replace the rusty hardware (aka screws) on the chassis, which I'll do tonight. This is leading up to the scary part - powering it on for the first...
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