Nov 20, 2009 8:07 PM
Workbench - Pot Resistance - help me learn
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Hi folks,
I've had my Variax for a couple of years now (love it). I've made a few custom models with Workbench, but not really bothered to try adjusting the settings on the controls page where you can set things like:
Volume Knob Pot Resistance
Tone Knob Pot Resistance
Capacitance
(image: http://acapella.harmony-central.com/attachment.php?attachmentid=180836&d=1127445477)
I think I've got a reasonable idea about the Volume Taper (and I think I prefer the "Audio" option instead of the "Linear" default), but I'd like to learn more about the others.
Could anyone comment on how they use these settings, including when it is good to change from the defaults, and also if there are any pages on the Internet you know of where I can read some more - that would be great!
Thanks ![]()
capacitors will restrict high end tones. for example .047 gives a deeper(more bass) tone than .220.. another example is i recently changed capacitors in a les paul. it came throught with 220s sound was tinny specially on the bridge pickup. so i looked up gibson and epiphone specs. tihis is for soap bar p90s. it will be different on humbuckers p94s etc etc. they suggested .047 so i put them in. while getting a nice tone in the two pickup setting the individual pickups were too dark . ( so i ended up with 330s on both and the guitar sounds great). the same thing applys in workbench its trial and error with each type of pickup till you get the sound your looking for. general starting point i think would be .047 for fender or single coil .022 for gibson or humbuckers. pot resistance. you can use any pot resistance again its trial and error. some people use a combination. its manufacturer preference.. generally old style fender is 250k old style gibson is 500 k newer fender and gibson/ epiphone is 500k mini pots. different pickup sets come with mixed pots example i just installed fender noisless pickups in my strat . the set came with two 500k for tone and on3 1000 k for volume. i left the large 250ks i had in the guitar already in because they also affect tone and i wanted to achieve the sound of a 58 strat but not pickup all the ambient noise that single coils pickup. it worked well. the pickups as well have there own affect on sound you cant go by humbucker or single coil theres all kinds of windings some will have a set of 3 with the center pickup reverse wound to achieve a humbucking affect.
bottom line is trial and error. write down in a little notebook what changes you make and what you achieve from it .. then youll have a reference to refer to rather than relying on memory.
id suggest the two books in the attatched photos if you really want to learn not only what you asked but just about anything else. just the knowledge of how to do your own setups like the rpos is worth the price.
have fun ![]()
Thans for the reply - that's great.
I can understand the capacitors now (higher values restrict higher frequency sounds more).
For volume and tone pot resistance, is there any similar way of understanding what to expect?
Thanks.
its somewhat the same but not as noticable. the main thing when buying pots is get the good ones. more or less like i said 500s for humbuckers 250 for single coil. when i say good ones what i mean is they will last longer . they all wear with time but cheap ones go fast and then you get that scratchy sound when you turn them or dead spots. basicly ther an ajustable reistor . tone and volume pots are the same . its how you wire them that makes them do what they do.
Thanks again amx, but I'm not planning on changing any actual physical pots - I'm using the Workbench software - it's all in silica!
The links that Andy has provided have some good details, and it looks like the volume & tone pot resistance has a similar effect to the capacitors.
It's way cool that I can adjust these per instrument in Workbench.
yeah thats the good thing about workbench you can really get into coutomizing your sound i just thought that the info may help if some day you decide to build something.
i was telling you about an epiphone gold top i changed out all the pots because i had no tone control. problem with epiphone is they use cheap components to keep the price down so i put in gibson stuff the guitar sounds great there pickups are good though. ive got a few epis. all have the same problems crappy electronics and a cheap truss rod . there acoustics are great thiugh i just bought a ej 200 changed the strings and set it up. i never have to tune it . it just stays perfect. its good to learn all this stuff . you never know when youll need to fix something.
the best improvement you can ever do to your variax is to change the pickups to graph tech ghost pickups.
Great answer!
If all of your questions have been answered please be sure to award Helpful and/or Correct points to community members who respond with helpful or correct answers, and close out the ticket as “answered” if your situation has been resolved. Thanks!
Line6Miller
As this is a subjective question (not supported by Line 6) we will close this thread, but please feel free to continue the conversation with other end users. See the following link for more info.
http://www.thegearpage.net/board/archive/index.php/t-59038.html
Check out the schematic drawings of a few guitar circuits on http://alexplorer.net/guitar/mods.html
hey thanks i been looking for that page since i got the new computer. i used to have it bookmarked but lost it in the termoil. lots of good info there check out the links section theres some other good pages around as well ![]()
lindsayward -
http://www.vettaville.nl/page.php?id=95
Check out the Workbench Tutorials here at Vettaville
it never got finished but it has some helpful stuff about the tone shaping abilities of the Controls and Pickup editors in WorkBench
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