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Fender fretless jazz bass mim mods

Discussion in 'Pickups & Electronics [BG]' started by Cajuare, Feb 12, 2014.

  1. Cajuare


    Dec 15, 2013
    I just bought a fender fretless jazz bass mim.
    I planning to do some modifications to it. (Pickups,preamp,bridge,strings,etc)

    Which modifications do you recommend to get a nice fretless sound?
  2. Grissle


    May 17, 2009
    Ok well you asked, ha ha.
    My '01 Agave Blue MIM Fretless:
    - Gotoh Reverse Gear tuners
    - Bone Nut
    - Clay Dots on neck
    - Neck narrowed down to 1.45 at nut
    - Tort Pickguard
    - Fender CS '60's pickups
    - Vintage Stack Knob wiring, CTS etc
    - Fender multi-detent stack knobs
    - Fender Vintage threaded Bridge
    - Fender Pickup covers
    - RS TruBass 88 tapewound strings
    And just lately switched to an older MIM Black Body. It is much lighter. I had to open up the bridge pup route a bit but it so much more comfy now.
    Hey you asked...😃
  3. RobbieK


    Jun 14, 2003
    I'd get some hum cancelling pickups, as fretless jazz basses sound great with the bridge pretty much solo (think Jaco).

    If you go active, I'd suggest getting a preamp with a mid control. Fretless is all about the mids.

    Listen carefully and critically to the bass unplugged in a quiet room. If it sounds a but mushy or lacking that woody tone, possibly think about the dimarzio J pickups. They really push the mid range thing as well.

    The other (slightly less glamorous) thing to spend some $$ on, is a good set up from a reputable luthier. Getting the board perfectly radiused plus the action and relief perfect is critical on a fretless because so much of that tone is from the way the string sounds on the board.
  4. Grissle


    May 17, 2009
    ^^^Good advice here. However with my single coils AND Tapewounds even, my bass is virtually silent even with one pup rolled off its really pretty quiet. But I have a lot of experience with shielding witch makes a big difference. I like to use both the shielding paint plus foil for their different performance attributes.
  5. Cajuare


    Dec 15, 2013
    Thanks guys for supporting.

    What about pickups?
    Which brand do you think helps to get a
    Great fretless tone?