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Thread: DMS-1 - mustang/duo-sonic short scale

  1. #111
    Mentor OliSam's Avatar
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    Quote Originally Posted by McCreed View Post
    Like everything in guitar tone, personal preference rules. The same applies to treble bleed circuit values.
    There are nearly as many combinations as there are values. It's often a process of trial and error.
    Also different pickup manufacturers have combinations that they favour and presumably work best with their brand of pickup.

    I'll attach two items that may help you sort this out. One is just a simple diagram showing three basic methods, the second is a list compiled by an online acquaintance of mine that shows cap & resistor values by pickup maker/brand.

    FWIW, the past few years I've been going with the "cap only" method. This works for me, but YMMV.
    I use a .001uf cap (code 102).

    Attachment 36645

    Treble Bleed Cap & Resistor Values By Brand
    Wow.
    That DrKev is really good!!!
    His analysis and notes are quite objective.
    I got a lot out of that. Thanks heaps McCreed.


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  2. #112
    Mentor OliSam's Avatar
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    Amazing observation when i opened up the guitar today.
    The kit pots were 500k and a B pot was on volume and an A pot on tone. That was the pre-wired up factory kit setup for single coils.
    Not what i expected to see. Perhaps i should have taken more notice when i put it all together the first time.

    Oh well. Now ive put on my own fat bottom pots in -A for volume and B for tone.
    Wired up the rail pickups and given it a bit of a whirl.
    While the neck was off i tidied up the higher frets 15and up. I failed to get them right the first time and bending wasnt working over a half step. (How can i pretend to be David Gilmour if i cant do 1and a half step bends?)

    Observation1.
    Noticably better than the stock set up.
    No hum (of course) but not humbuckery like full size humbuckers.
    Maybe i could say they are quite bright humbuckers. Maybe i could say they are quite thick single coils.
    Observation2.
    The tone knob does absolutely nothing for the sound.
    Observation3.
    Maybe i wont need a treble bleed circuit on this setup.
    Observation4.
    Ill have to do some research on how to get the tone knob to do its thing. Maybe different cap?

    Ill play with this set up for a month or so and get right back to you.......



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  3. #113
    Interesting. As mine is still dismantled, I noticed the same pot configuration.
    Volume is B500K and tone is A500K.

    So experiment by swapping them around?
    Can't remember if the tone knob actually did anything so will have to look out for that.

    cheers, Mark.

    edit: You didn't move the bridge back a couple of mil?

    edit #2 re-purposed skateboard. hehe.
    Last edited by king casey; 25-07-2020 at 10:59 AM.

  4. #114
    Mentor OliSam's Avatar
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    Quote Originally Posted by king casey View Post
    Interesting. As mine is still dismantled, I noticed the same pot configuration.
    Volume is B500K and tone is A500K.

    So experiment by swapping them around?
    Can't remember if the tone knob actually did anything so will have to look out for that.

    cheers, Mark.

    edit: You didn't move the bridge back a couple of mil?

    edit #2 re-purposed skateboard. hehe.
    Bridge move. That was negated after cutting the strings and glueing the saddles. Doh!


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  5. #115
    GAStronomist Simon Barden's Avatar
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    There's no guarantee that some of the Chinese manufacturers don't get the A and B pot labelling the wrong way round, so in a case like this, testing a pot for resistance at the 50% point will tell you if it's linear or not (middle tag to either outer tag resistance with the knob on 5 should be the same value if linear, very different if log). I believe the A and B labelling was the other way round many years ago in some parts of the world, and then it supposedly got standardised with A being audio/log. So there may be some makers using old conventions. But it is a convention, not a rule, so as long as a manufacturer is consistent and states the A and B meaning on their data sheets, the confusion moves down the chain to the end purchaser.

  6. #116
    Mentor OliSam's Avatar
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    Ok. So tonight my tone knob works. It now has a much better span of tones. Ive obviously got a loose wire. Doh!


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  7. #117
    Mentor OliSam's Avatar
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    Well. All rewired. Very happy with the action and tone. I tried a 0.47cap for tone. Perhaps not a good choice. Will change it for a more appropriate measurement next iteration.

    But more importantly............. i got this in the mail today.



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  8. #118
    Quote Originally Posted by OliSam View Post

    But more importantly............. i got this in the mail today.

    Looks familiar.
    I have one of these on all my guitars.

    cheers, Mark.

  9. #119

  10. #120
    Mentor OliSam's Avatar
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    Finally got a name
    Still toying round with that fancy curvy neck plate
    More to report later with the changed capacitor


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