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Recapping M3 Tone Generator

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  • Recapping M3 Tone Generator

    I've been thinking about recapping my M3 for a while now, and I think I'm gonna give it a shot. I just have a few questions. So I have all the red mylar caps from a broken L200 without and amp that I received a while ago (unfortunately I already removed them from the filter board, which only after I realized I shouldn't have done... whoops). Anyway, all the capacitance values are nearly the same as the rated wax caps on my M3. But the red mylar caps I plan to put in are 100 VDC instead of 200 VDC which is the wax cap rating in the M3. Will this matter? I might guess that they did 200 for headroom on a wax cap but since mylar caps don't age they only needed 100 VDC? I don't know that's just a thought. Also, is there polarity that needs to be taken into account with these caps? Thanks!
    1949 Hammond CV w/1960 Leslie 45 (converted to 145), using H-1 and Leslie 25 amp
    1958 & 63 Hammond M3
    1963 Hammond L100 with 70s Leslie 120
    1979 Rhodes Piano

  • #2
    The signals passing thru those capacitors are in the millivolts range, so even 100VDC caps is serious overkill. No polarity!
    Current organs: AV, M-3, A-100
    Current Leslies: 22H, 122, 770

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    • #3
      Time to go forth and conquer... thank you very much enor!
      1949 Hammond CV w/1960 Leslie 45 (converted to 145), using H-1 and Leslie 25 amp
      1958 & 63 Hammond M3
      1963 Hammond L100 with 70s Leslie 120
      1979 Rhodes Piano

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      • #4
        Just finished swapping out the caps. It sounds great! Very crisp and clean, but not overly bright like a lot of the new caps end up doing. Didn't even have to recalibrate the organ. It might be a good idea but I can't tell any volume difference between notes so I'm gonna save myself the hassle! Thanks again for the quick easy answer enor, saved me a bit of time haha.
        1949 Hammond CV w/1960 Leslie 45 (converted to 145), using H-1 and Leslie 25 amp
        1958 & 63 Hammond M3
        1963 Hammond L100 with 70s Leslie 120
        1979 Rhodes Piano

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        • #5
          Hooray!
          Hooray for you and your good luck.
          (I'm finding it's remarkably difficult to cheer like that without it sounding sarcastic. I really am glad for you.)

          You got a good one. This is always a relief to hear that things are turning out well on a project.

          Because remember, the only ears that matter are yours. If you think it sounds great, it does.

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