594- wire from scratch?

Discussion in 'PTC - PRS Tech Center' started by gauchosilvertone, Jan 17, 2019.

  1. gauchosilvertone

    gauchosilvertone New Member

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    Does anyone have a detailed diagram for a McCarty 594?

    After an adventurous rewiring experiment (Gretsch wiring with independent volumes and a master volume) I’ve simply reworded or with basic modern LP wiring, but that means I’m missing both the coil taps (which I don’t mind doing without) and the extra capacitors that PRS puts in the circuit...somewhere.

    I have all the original parts just need a diagram.

    Thanks!
     
  2. Boogie

    Boogie Zombie Two, DFZ

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    Rule #1 when working in the control cavity...take pictures first! ;)

    Try this...
     
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  3. gauchosilvertone

    gauchosilvertone New Member

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    Thanks! I didn’t do the original rewire, shoulda got a pic.

    Anyone know what the extra capacitors do exactly? I mean, I know what capacitors do generally but what’s the specific application in this case? Seems extra to me.
     
  4. Boogie

    Boogie Zombie Two, DFZ

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    Those are resistors and they act as high frequency filters to sweeten/warm the split coil sounds.
     
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  5. gush

    gush She said "huge bag of dibs".

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    Oh hell yes. I ALWAYS snap a pic. I do that on almost everything I work on.
     
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  6. gauchosilvertone

    gauchosilvertone New Member

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    Rad- so those are the little crushed-can looking ones. I wonder how to tell which goes where. There’s no print on them as far as I remember.
     
  7. Boogie

    Boogie Zombie Two, DFZ

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    You tell the value by the colored stripes printed on them. Or completely lazy-out and use a volt-ohm multimeter.
     

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