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Thread: HELP!

  1. #1
    Ultimate Tone Member DeathMetalRob's Avatar
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    Default HELP!

    I have recently bought a Seymour Duncan STC-BO2 concentric tone control. I'm trying to connect it to a passive pickup with no success...

    I've followed the schematic and which ever way I wire it, it doesn't work.

    The pickup works independently, the circuit works independently but, not together.

    What am I doing wrong..?
    Anything is possible, just not always advisable...

  2. #2
    Mojo's Minions Kamanda~SD's Avatar
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    Default Re: HELP!

    Pics of your wiring job will be a good start
    TOUQUE ROCK...EH???? I AM CANADIAN

  3. #3
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    Default Re: HELP!

    Quote Originally Posted by DeathMetalRob View Post
    I have recently bought a Seymour Duncan STC-BO2 concentric tone control. I'm trying to connect it to a passive pickup with no success...

    I've followed the schematic and which ever way I wire it, it doesn't work.

    The pickup works independently, the circuit works independently but, not together.

    What am I doing wrong..?
    Can you list the colors of the Passive Pickup wires.

    and Pic of wiring and your control cavity. and I'll make you a diagram

  4. #4
    Ultimate Tone Member DeathMetalRob's Avatar
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    Default Re: HELP!

    Click image for larger version. 

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    When the battery is fitted, I get pitch-shiftable noises showing that the circuit at least does half of what it should. Nothing from the pick up though.

    It is a Seymour Duncan Hot Stack Black Cap (20.8k) and has humbucker wiring.
    Anything is possible, just not always advisable...

  5. #5
    Ultimate Tone Member DeathMetalRob's Avatar
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    Default Re: HELP!

    Click image for larger version. 

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    Anything is possible, just not always advisable...

  6. #6
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    Default Re: HELP!

    Quote Originally Posted by DeathMetalRob View Post
    Click image for larger version. 

Name:	15440086150202087287915.jpg 
Views:	14 
Size:	62.7 KB 
ID:	94326

    When the battery is fitted, I get pitch-shiftable noises showing that the circuit at least does half of what it should. Nothing from the pick up though.

    It is a Seymour Duncan Hot Stack Black Cap (20.8k) and has humbucker wiring.
    need the color codes.

    Is there a red from the Hot stacks from one coil tied to ground and the other coil (white)? That's probably the problem.

  7. #7
    Ultimate Tone Member DeathMetalRob's Avatar
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    Default Re: HELP!

    Quote Originally Posted by NegativeEase View Post
    need the color codes.

    Is there a red from the Hot stacks from one coil tied to ground and the other coil (white)? That's probably the problem.
    No, red and white are together as normal. The picture doesn't show that, though.
    Anything is possible, just not always advisable...

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