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Humbuckers made from 2 coils with different resistances: What would happen?

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  • Humbuckers made from 2 coils with different resistances: What would happen?

    So after a bunch of practice, I believe I've finally wound my first legitimate set of blade-pole bass humbuckers. There's this wonderful tingling feeling I get when I look at the shiny mirror-like surface of the coil all perfectly aligned and sparkling in the light. It's empowering! So all is well with the winding.

    However, I'm getting different readings for each coil. I noticed that one of the bobbins is just ever so slightly shorter than the other so perhaps this could have contributed to the difference. The slightly shorter one reads 10k exactly while the other is 9.6k. Both coils were wound to 9500 turns with the same tension setting. Of course I understand that when hand winding it's probably unlikely that 2 pickups would be exactly identical, but what sort of margin of error between pickups is acceptable? Can I still expect to get a balanced hum-cancelling effect if I use these 2 coils together?

  • #2
    I make an Offset humbucker with a greater offset than what you have & I have not noticed & any difference in an even turn humbucker
    Buy the way ,Did you test the pickup later ,after you already noticed the difference in DCR?
    "UP here in the Canada we shoot things we don't understand"

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    • #3
      Originally posted by copperheadroads View Post
      I make an Offset humbucker with a greater offset than what you have & I have not noticed & any difference in an even turn humbucker
      Buy the way ,Did you test the pickup later ,after you already noticed the difference in DCR?
      So far this has just been a straight up resistance test. I have yet to confirm via audio signal. I am curious now that you bring it up. For what reasons do you intentionally offset your humbuckers?

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      • #4
        I meant did you check the Dcr after the initial reading
        It is possible that when soldering ,one of the coils got hotter that the other = higher DCR
        "UP here in the Canada we shoot things we don't understand"

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        • #5
          Originally posted by copperheadroads View Post
          I meant did you check the Dcr after the initial reading
          It is possible that when soldering ,one of the coils got hotter that the other = higher DCR

          Now that you mention it...

          The coil must have still been hot when I took the first several readings. I checked again right before potting and it had a Dcr of 9.8. That seems more like it!

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          • #6
            Originally posted by shawnl View Post
            The slightly shorter one reads 10k exactly while the other is 9.6k. Can I still expect to get a balanced hum-cancelling effect if I use these 2 coils together?
            You wont even notice any difference.
            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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