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linear pots are the answer

Discussion in 'Pickups & Electronics [BG]' started by heavyfunkmachin, Apr 13, 2009.


  1. heavyfunkmachin

    heavyfunkmachin

    Jan 21, 2005
    hi all,

    i just wanted to let you know that i changed my jazz bass pots for linear ones and i´m never looking back, the volume is EVEN instead of having that volume bump when maxing the sound.

    basses should come with linear pots from the factory, imho.

    just letting you all know.... suggesting: change your pots! ;)
     
  2. Jim C

    Jim C Is that what you meant to play or is this jazz? Supporting Member

    Nov 29, 2008
    Bethesda, MD
    There must be some good reason why instrument makers use log pots on guitars.
    Trying to roll off just a little bit of neck pup on a J bass is nearly impossible while playing as all the business occurs in the 1st 1/8" of travel.
     
  3. GlennW

    GlennW

    Sep 6, 2006
    Epiphone uses 500K linear pots for volume and 500K audio pots for tone on their Casino, maybe others as well. I don't know how long they've been doing that.
     
  4. SGD Lutherie

    SGD Lutherie Banned Commercial User

    Aug 21, 2008
    Bloomfield, NJ
    Owner, SGD Music Products
    Gibson uses linear pots also.

    Audio taper is good when used on faders or anytime you are actually going to do a fade or a swell, then it's smoother.

    But for setting the output level and leaving it there, linear works better IMHO.
     
  5. walterw

    walterw Supportive Fender Gold Supporting Member Commercial User

    Feb 20, 2009
    alpha-music.com
    funny, because i (and my customers) have found that those linear gibson pots are terrible on guitar, and i do a brisk business upgrading to audio tapers, which work far better for controlling amp distortion from the guitar. on bass, however, the linears work great, especially if you go with higher values to brighten things up. 500k linears work beautifully with passive fender pickups if you like the increased edge (i do).

    i have noticed (just today, as a matter of fact) while working on a marcus miller jazz with the switchable preamp, that with the preamp engaged, the 250k audio volumes were pretty even, while switching to passive caused them to go back to having the typical bigger drop from 10 to 8 (i guess from the loading behavior of the cable).
     
  6. Does CTS make the linear pots with a solid shaft? Or can you stick standard set-screw knobs on a split shaft with no problems as well?
     
  7. SGD Lutherie

    SGD Lutherie Banned Commercial User

    Aug 21, 2008
    Bloomfield, NJ
    Owner, SGD Music Products
    They do, and you can also get shaft adaptors. Also most of the time you can put a set screw knob on a split shaft. Sometimes I stick a small piece of plastic in the split.
     
  8. Brad Sarno

    Brad Sarno

    Mar 14, 2009
    www.sarnomusicsolutions.com
    Chief Design Engineer - Sarno Music Solutions
    Excellent post. I couldn't agree more. When playing guitar or bass in a live setting, or anywhere, it's worlds better to have the expanded usable control range from a linear taper pot. Audio taper pots have most of their range as totally useless.

    Go linear pots on guitars!

    Brad
     
  9. Hoover

    Hoover Banned

    Nov 2, 2007
    New York City
    I'd swear I saw an article by Dan Armstrong in an issue of Guitar Player like 30 years ago that came to the same conclusion!
     
  10. MMcC

    MMcC

    Sep 10, 2005
    Dallas
    I have a Fender American Standard Jazz. Are my pots linear or audio?
     
  11. walterw

    walterw Supportive Fender Gold Supporting Member Commercial User

    Feb 20, 2009
    alpha-music.com
    audio 250k.
     
  12. If you don't put something in the split then you need to put the set screw toward the slot. If you put it against the solid side it will eventually collapse the shaft. I use linear in all my builds for volume and tone.

    H
     
  13. walterw

    walterw Supportive Fender Gold Supporting Member Commercial User

    Feb 20, 2009
    alpha-music.com
    sorry, but i hate linear volumes on guitars! with any kind of gain on the amp, linear volumes jump from "0" to "3", and have little useful control from "6" to "10". if you work the distortion from the guitar like i do, you need audio volume controls.

    again, i find linears useless for passive tone pots in any case, as nothing happens until the pot is almost all the way off.
     
  14. Preaching to the choir here.
    I've been a fan of linear for Jazz bass volume pots for a long long time.
    They don't work to well for tone controls though.
    MM
     
  15. walterw

    walterw Supportive Fender Gold Supporting Member Commercial User

    Feb 20, 2009
    alpha-music.com
    250k or 500k? i've not had a chance to try 250k linear volumes, but the 500k linears give me more juice at the top of their range while still sweeping evenly from "0" to "10".
     
  16. Frank Orlando

    Frank Orlando

    Dec 21, 2002
    Fort Myers
    Speaking of American Standard Jazz Basses, my tone control will go from bass to bright like it should but it seems that as I turn it towards bright the volume goes goes up noticably at the same time. What's that about? :confused: The bass is a brand new 2009 Jazz.
     
  17. jbrew73

    jbrew73

    Dec 24, 2006
    could it be that the linears work better on a jazz because they are wired with the wipers as the input? i believe gibson guitars are wired with the wiper as the output.
     
  18. NKBassman

    NKBassman Lvl 10 Nerd Supporting Member

    Jun 16, 2009
    Winnipeg, MB, Canada
    Wow. I'm so glad I read this post, because I didn't even realize there was such a thing as linear VS tapered pots. I'm thinking I like the idea of linear pots... might just have to try that out.
     
  19. Wait, are you sure you're talking about linears? Audio pots are the ones that have a big "jump" in signal/tone in a very small turn range, like what you describe in the second paragraph.
     
  20. Suresh

    Suresh

    Apr 15, 2007
    any one tried linear pots with Bart CB's?
    robert
     

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