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Bass Big Muff Mids control mod

Discussion in 'Effects [BG]' started by johnk_10, Apr 13, 2014.


  1. Apr 13, 2014 #1
    johnk_10

    johnk_10 vintage bass nut Supporting Member Commercial User

    Feb 16, 2008
    Thousand Oaks, CA
    John K Custom Basses
    Just thought that i'd post this in case anyone wants to be able to have a variable control for adjusting the mids scoop from 'stock' to having flat mids in an EHX bass big muff. since it uses SMD components you have to be careful but it wasn't really difficult at all. IMO, this mod, along with the master volume mod posted elsewhere in this forum make the pedal 100X better.

    BassBigMuffMIDScontrol.
     
    Rodslinger, NickRich, soothsayer86 and 3 others like this.
  5. Apr 13, 2014 #2
    dannybuoy

    dannybuoy

    Aug 3, 2005
    London, England
  10. Apr 13, 2014 #3
    johnk_10

    johnk_10 vintage bass nut Supporting Member Commercial User

    Feb 16, 2008
    Thousand Oaks, CA
    John K Custom Basses
    thanks. I have another muff with the feedback mod but I rarely ever use that feature so i'm not going to install it in this one.
     
  14. May 10, 2014 #4
    dannybuoy

    dannybuoy

    Aug 3, 2005
    London, England
    Bumping this as it didn't look like it got much attention last time. Having just tried out a COG Grand Tarkin today (great pedal), I want the same mids knob on my BBM so am gonna order the parts today!
     
  18. May 10, 2014 #5
    Caca de Kick

    Caca de Kick Supporting Member

    Nov 18, 2002
    Seattle / Tacoma
    Most definitely will do this. Thanks John!
     
  22. Nov 11, 2014 #6
    jloftin1

    jloftin1

    Aug 7, 2009
    Carrollton, Ga
    I just finished the master volume mod on mine and really like it. I would like more mids but I don't really want another pot. Is there a way to just have a switch for flat mids?
    Thanks to all you guys and especially Mr. Kallas for sharing your knowledge and letting electronics noobs like me get started.
     
  26. Jan 10, 2015 #7
    jloftin1

    jloftin1

    Aug 7, 2009
    Carrollton, Ga
    Finally got around to doing this mod and WOW!!! With the master volume mod and this, I love this pedal. I was on the fence about keeping it for a while but now I'd have to spend three times as much to get a muff this good. Thanks John!!
     
  31. Apr 18, 2015 #8
    astack

    astack

    Nov 12, 2011
    Washington, DC
    Hey John (or other knowledgable folk), could you explain what you're adding here? Is it basically this idea?: AMZ Presence Control

    Any comments on doing this vs changing RC values to create a flatter tilt control, which would avoid adding another pot?

    Thanks!
     
  35. Nov 21, 2015 #9
    soothsayer86

    soothsayer86

    May 5, 2010
    NH
    Did you remove the circuit board to do this mod?
     
  39. Nov 21, 2015 #10
    johnk_10

    johnk_10 vintage bass nut Supporting Member Commercial User

    Feb 16, 2008
    Thousand Oaks, CA
    John K Custom Basses
    nope.
     
  43. Nov 21, 2015 #11
    OzzyGreg

    OzzyGreg

    Jun 7, 2008
    Illawarra, NSW, Australia
    .
    Sound clips would be great if you get the time John ... (please).
    I am intrigued, it looks quite simple to do.