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How hard is it to connect a trek II percussion to a Hammond BV

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  • How hard is it to connect a trek II percussion to a Hammond BV

    Thinking about buying a serviced Hammond BV organ but before I did I wanted to know how hard it was to hook up a trek II percussion to the organ, since I know the organ lacks percussion. Would a noob to the hammond organ modification world be able to install it successfully lol.

  • #2
    It's very easy. If you email Mike at Trek he'll probably send you a copy of the installation instructions. I added one to mine.
    Hammond A100, M102, X5, XB3, XB5, TTR-100,
    Lowrey DSO-1, H25-3, Yamaha E70, RA-100,
    Farfisa Compact Duo MK2, Vox Continental 300,
    Korg BX3 MK1, Leslie 145, 122.

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    • #3
      It's not hard to install it. The only downside is that because the design of the V-series preamp is quite different from the -2 series, you get the vibrato/chorus effect applied to the Percussion signal, which is not the case in 3-series organs. This problem has been discussed on here in great depth in the past, and I don't recall that anyone has ever come up with a solution.

      For example, volume control in the V-series organs is upstream of the preamp, so you have to mix the Percussion signal with the main signal before the volume control if you want Percussion volume to track with the main audio signal.
      I'm David. 'Dave' is someone else's name.

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      • #4
        Percussion OR vibrato chorus available on V series.Not both at once like a -3.
        Bummer for playing jazz,even rock Black Magic Woman has both too.
        V series won't get you there.One at a time.Maybe you like chorus on your perc? Not this guy.
        A100/251 A100/147 A102/222 B2/142 BV/147 BCV/145 M3/145 M102/145 M111/770 L101/760 T222/HL722 M111/770 no B3/C3!

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        • #5
          FWIW, I'm working on that very issue. It's a couple months out there yet, my plate is pretty full, but my CV (and C2) and at least a couple of others *will* be getting proper percussion 8)
          Tom in Tulsa

          Fooling with: 1969 E100, 1955 M3, 1963 M100, Leslie 720

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          • #6
            The good part of it though, is that if you run another instrument through the input of the five tube amp, it also gets affected by vib/chorus. Sounds great on EP and my old Korg CX3.
            Hammond A100, M102, X5, XB3, XB5, TTR-100,
            Lowrey DSO-1, H25-3, Yamaha E70, RA-100,
            Farfisa Compact Duo MK2, Vox Continental 300,
            Korg BX3 MK1, Leslie 145, 122.

            Comment


            • Sweet Pete
              Sweet Pete commented
              Editing a comment
              Once ran the Roland SH1000 through the M scanner.There are synth bass upper keys (25-37) on a 45 RPM I recorded with that little mod.
              The signal chain of the older models allows that input.Too bad the perc can't be mixed 'post'.Adding an 'aux' in 1955 wasn't going to happen LOL.

            • enor
              enor commented
              Editing a comment
              Easy to accomplish on newer amps as well - just run the external gear to the preamp's vibrato input.

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