leftyjay
Joined: Apr 08, 2008
Posts: 9
SW Florida
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Posted on Jul 28 2008 07:47 PM
i have a 1996 mij jazzmaster. when i lower the volume, the tone gets bassier. i have read about treble bleeds for telecasters. so i went out and bought a .001 cap to put on the volume control. only thing is, when i installed it, it did axactly the opposite. it made it bassier as i turn down the volume.
one hub was soldered to ground, the middle hub was going to the hot on the plug, and the other is going to the tone cap, then to the tone pot. i tried desoldering the hub that is grounded and put the treble bleed there. that didnt work. the volume turned more bassy as i turn it down and it never completely turned off.
so i soldered the hub back to ground and it is still bassy as i turn down volume.
either i dont have it in the right place, or i have to do something else.
image
anybody have a diagram as to how this suppose to work? am i using the wrong size cap?
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Brian
Joined: Feb 25, 2006
Posts: 19357
Des Moines, Iowa, USA
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Posted on Jul 28 2008 07:50 PM
Moved to gear forum.
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diceophonic
Joined: May 20, 2006
Posts: 2174
PacNW (Vancouver, Wa U.S.A.)
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Posted on Jul 28 2008 08:39 PM
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PhatTele
Joined: Jun 05, 2006
Posts: 445
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Posted on Jul 28 2008 09:56 PM
leftyjay - Looking at your picture, don't solder the left hand lug to ground. Only the right hand lug will go to ground. That should get it working properly.
In the meantime, as you experiment, I think (IMO) you will be much happier with your treble bleed if you use a resister in combination with the cap. I use the following setup (volume kit) on nearly every guitar I own (including my two AVRI Jazzmasters)...
http://www.fralinpickups.com/images/phazrev.jpg
The resister will help keep the tone from thinning out too much. Sometimes just the bypass cap alone isn't enough.
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DannySnyder
Joined: Mar 02, 2006
Posts: 11079
Berkeley, CA
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Posted on Jul 28 2008 10:27 PM
So that would be a 2.5microfarad cap?
— Danny Snyder
"With great reverb comes great responsibility" - Uncle Leo
I am now playing trumpet with Prince Buster tribute band 'Balzac'
Playing keys and guitar with Combo Tezeta
Formerly a guitarist in The TomorrowMen and Meshugga Beach Party
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eddiekatcher
Joined: Mar 14, 2006
Posts: 2779
Atlanta, GA
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Posted on Jul 28 2008 10:35 PM
I use a 500k resistor to shunt the vol pot to 500k and a 1000 pico farad cap. Works fine.......ed
— Traditional........speak softly and play through a big blonde amp. Did I mention that I still like big blonde amps?
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PhatTele
Joined: Jun 05, 2006
Posts: 445
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Posted on Jul 29 2008 08:58 AM
It's a .0025uF (microfarad) cap plus a 220K resister.
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SURFmole
Joined: Nov 22, 2007
Posts: 901
Portland, OR
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Posted on Jul 29 2008 01:29 PM
After fixing your wiring (removing the ground connection on the one lug) I'd recommend doing something like this with a resistor and cap in series:
http://www.kinman.com/html/toneWorkshop/perfectGuitar.htm#volumePots
...pretty-much the same advice PhatTele gave you 
— www.apollo4.com
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straightblues
Joined: Mar 28, 2007
Posts: 44
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Posted on Aug 10 2008 03:09 PM
Here is one that is sold already put together. It makes for a professional looking installation. http://www.acmeguitarworks.com/Volume_Kit_P87C13.cfm
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