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Footswitch for Fender Princeton

Discussion in 'Amp Tech Center' started by drob, Nov 10, 2017.

  1. drob

    drob Tele-Holic

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    Does anyone know how I could build a 1 button footswitch to control the Tremolo Only? I have a single button switch but it knocks out the reverb and the Tremolo has a clicking sound with each pulse when I use it. I usually play with a touch of reverb so not interested in having that foot switchable, and I use a pedal train nano and don't have the space for a full sized footswitch. Suggestion would be great - thx.
     
  2. corliss1

    corliss1 Friend of Leo's Platinum Supporter

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    It depends - is this a vintage 2 RCA jack model or a more modern 1 1/4" model?
     
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  3. drob

    drob Tele-Holic

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    Reissue with 1 1/4 stereo jack
     
  4. corliss1

    corliss1 Friend of Leo's Platinum Supporter

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    Cool - so here is the schematic for the reissue footswitch


    screenshot.2.jpg

    So you want to make a switch that connects tip to ground using a stereo plug.
     
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  5. robrob

    robrob Poster Extraordinaire Ad Free Member

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    Your foot switch will need a TRS (tip/ring/shield) 1/4" jack.

    If I'm reading the schematic right then closed switch for vibrato = on and closed switch for reverb = off.

    If that's right then don't connect the jack's ring terminal (reverb) to anything for always on reverb. Tip and Shield connect to the vibrato foot switch's two terminals.
     
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  6. drob

    drob Tele-Holic

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    Thank you! That's exactly what I was looking for.
     
  7. Dardeau

    Dardeau TDPRI Member

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    I’m looking to do this with a silverface PR. If I plug in just the vibrato side of the switch it both it and the reverb stop working otherwise I’d just copy one side of the switch I have.
     
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