congo77
Rookie Solder Flinger
Posts: 6
Likes: 0
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Post by congo77 on Jun 19, 2006 6:55:29 GMT -5
Hi.
I have a loss of lows (bass) when I turn the volume down, the tone gets thinner. At 7 it's clearly thinner than at 10. I have a Hagström III with three singlecoils. How do different Pot sizes (250 k, 500 k or 1 Meg) affect this behavior?
Thanks
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Post by UnklMickey on Jun 19, 2006 12:21:58 GMT -5
this is a bit unusual.
more often the problem is a loss of highs when turning the volume down.
to compensate, "treble bleed" caps are sometimes installed.
is it possible you have these on your volume control(s)?
lower resistance pots tend to attenuate the highs a tiny bit.
the greater the inductance, the greater the resistance of the pot should be.
since a HB is basically 2 SCs in series, it will have about twice the inductance, so 500k is usually used with a HB.
i doubt changing the value of the pot(s) will affect this behavior, just the overall brightness.
do you have a wiring diagram for your guitar?
unk
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Post by JohnH on Jun 19, 2006 22:10:42 GMT -5
If you have a treble bleed cap on the volume controls, it is a suspect. Sometimes the value used is too high, when combined with your cable and amp combination. Its function is to cure loss of treble as you reduce volume (due mainly to the cable acting as a capacitor, like in a treble-cut tone control), but if it is too effective, then it preserves too much treble, making the tone too thin at reduced volume. Its easy to improve, if you can find the relevant circuit diagram for the guitar.
John
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Post by fobits on Jun 20, 2006 19:05:21 GMT -5
Have you tried it with a different amplifier, or a different guitar with that amp?
It may be a dumb question, but it occurs to me that it could be caused by the amp or speaker(s) instead of the guitar.
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