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  1. Dean Deese

    Originality and the Value of Vintage JMPs

    I just bought a 1977 JMP 2203 off Reverb a couple of weeks ago and it arrived DOA. Just had to evacuate do to Helene and went past my 7 day protection window. The seller knows this and told me I was SOL (can’t wait to leave feedback (👺)… So, I’m dragging it onto the local amp tech to repair. My...
  2. Dean Deese

    RS Turret dimensions?

    Does anybody know the spacing between top and bottom row turrets? I plan on getting a 12000 series from Valvestorm. Also, there is a choice for double turret and fully perfed. I want the most versatile one. Main reason for the spacing is lead length for components. Esp pulled mustards that may...
  3. Dean Deese

    Parallel ECC83 gain stage - how to mix the signal

    Doesn’t David Bray do this mod to NMV’s and everyone just raves about the tones when famous modders are mentioned? I realize a PPMIV factors in as well as tighter Ck’s for both sides and some voicing/gain tweaks… Parallel Triodes seem to be shunned…
  4. Dean Deese

    Sink or Swim MY First Amp Build JMP 2204

    I thought the V3b input coupler (NFB) is supposed to be .1uF. I noticed the ‘78 spec is ALL .022 couplers (8). What does that do to tone?
  5. Dean Deese

    Need this style transformer bracket for '70 Superlead.

    I need a pair like Matthews G needed. 100w for new build and 50w for my ‘88 JCM 2204. Valvestorm is sold out and I’ve looked on line for hours and the only ones I can find are like the ones like he placed on the control knobs of his amp in the photo near the top of the page - thanks everyone...

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