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Can anyone confirm wether or not this pickup schematic is correct?

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  • Can anyone confirm wether or not this pickup schematic is correct?

    I've been working on a split p design and I'm trying to troubleshoot some buzzing issues I've been having. I think maybe I've been wiring them wrong and was wondering if someone could verify this schematic I've been using. The two coils are wound clockwise in the same direction with reverse polarities, in series. Should they be wired together start to finish or finish to finish? Here's the schematic:

    Click image for larger version

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  • #2
    Originally posted by shawnl View Post
    I've been working on a split p design and I'm trying to troubleshoot some buzzing issues I've been having. I think maybe I've been wiring them wrong and was wondering if someone could verify this schematic I've been using. The two coils are wound clockwise in the same direction with reverse polarities, in series. Should they be wired together start to finish or finish to finish? Here's the schematic:

    [ATTACH=CONFIG]23089[/ATTACH]
    That doesn't look correct.
    If both coils are wound the same direction, then tie the finish leads together.
    like this.
    Google Image Result for http://www.stewmac.com/freeinfo/i-3200/3200_03primer.gif
    "If Hitler invaded Hell, I would make at least a favourable reference of the Devil in the House of Commons." Winston Churchill
    Terry

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    • #3
      Originally posted by big_teee View Post
      That doesn't look correct.
      If both coils are wound the same direction, then tie the finish leads together.
      like this.
      Google Image Result for http://www.stewmac.com/freeinfo/i-3200/3200_03primer.gif

      +1. I would think that in addition to buzzing, you'd get some audible phase artifacts where both coils are picking up.
      If it still won't get loud enough, it's probably broken. - Steve Conner
      If the thing works, stop fixing it. - Enzo
      We need more chaos in music, in art... I'm here to make it. - Justin Thomas
      MANY things in human experience can be easily differentiated, yet *impossible* to express as a measurement. - Juan Fahey

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      • #4
        Yeah it did not sound good at all. I went through quite of bit winds thinking I either botched up the potting process or soldered the leads wrong. I'm relieved that my winding was probably fine all along. The source where I originally based this schematic failed to point out the winding direction of the coils. Now I realize it was probably referring opposite wound coils.

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        • #5
          Which way are the magnets oriented?

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          • #6
            top coil is north, bottom is south.

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            • #7
              If they are wound in the same direction you have to wire them up start to start, or finish to finish.
              It would be possible to describe everything scientifically, but it would make no sense; it would be without meaning, as if you described a Beethoven symphony as a variation of wave pressure. — Albert Einstein


              http://coneyislandguitars.com
              www.soundcloud.com/davidravenmoon

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              • #8
                Problem solved! I rewired and tested and sure enough the buzzing was gone. I must have torn apart at least a dozen pickups I've wound thinking that they didn't work.

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                • #9
                  You wire humbuckers electrically out-of-phase. The reverse polarity magnets put the two coils back in-phase in regards to the strings, but they are out-of-phase for the hum. So they cancel it out.
                  It would be possible to describe everything scientifically, but it would make no sense; it would be without meaning, as if you described a Beethoven symphony as a variation of wave pressure. — Albert Einstein


                  http://coneyislandguitars.com
                  www.soundcloud.com/davidravenmoon

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