1. J

    Marshall JCM 800 2205 possibly weird behavior on startup

    Hi people, First of all, I know how to securely work in a tube amp, change caps, clean sockets, poke with a multimeter to make sure that the voltage is even between tubes but that's about it. My knowledge ends where circuit design begins. I acquired this 2205 CSA from 1987 a few days ago. This...
  2. Michael Inglis

    100W Tube amp Amp Draw, Choke and Resistor Switch Question

    Just installed a Choke in my DSL100HR, sounds great so far. Low end is certainly tighter than before when the volume is up to gig levels. Pics at bottom for the hell of it. But the point of this post is to pose this question. I want to add a switch on the chassis so that i can switch between...

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