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Alternatives to Preamp or Tone Control

Discussion in 'Luthier's Corner' started by rogerbmiller, Apr 11, 2006.

  1. rogerbmiller

    rogerbmiller Gold Supporting Member

    Sep 16, 2003
    Hello everyone.

    I am building my first bass (out of parts) and am considering doing somehting a little unorthadox to the electronics. I am wondering what type of readily available electronics I could use for a tone control that would work either as a wide mid-range sweep or a low pass filer, ala Wal bass. Can I accomplish this with a certain type of tone pot? Is such a tone control or filter available through an electronics supplier that might be mounted into a bass?

    Please excuse my ignorance in asking this question. I am less than technically inclined but I learn very fast so your experience and feedback is greatly appreciated.


  2. Geoff St. Germaine

    Geoff St. Germaine Commercial User

    When you say a mid-range sweep do you mean a mid cut that can have it's center frequency swept? So you would want a knob for level and for sweep?
  3. rogerbmiller

    rogerbmiller Gold Supporting Member

    Sep 16, 2003
    I am not sure how to describe it other than I want to manipulate the mids such that when I turn the pot it almost sounds like a wah pedal or a dynamic filter.
  4. Frank Martin

    Frank Martin Bitten by the luthiery bug...

    Oct 8, 2001
    Budapest, Hungary, EU
    Then get a wah pedal or a dynamic filter :smug:
    But really, you can't tweak knobs constantly while playing, it's easier to do with a pedal.
    Otherwise, mid-eqs with adjustable freqs only come in a few active preamps. AFAIK, Aguilar OBP-3, East U-Retro, Noll and maybe some others.
  5. rogerbmiller

    rogerbmiller Gold Supporting Member

    Sep 16, 2003
    Yeah. I don't wan't to spin the knob while playing to get a wah effect. I want the knob to give the same dynamic range when adjusted to its desired position. This is essentially what happens when you turn the tone knobs on a Wal-- it sounds like someone saying A-E-I_o_u. The preamp on my Heartfield basses also sound like that.

    Anyone else have any thoughts? Can a low pass filter do this, and where can I buy one to install in a bass?
  6. ddnidd1

    ddnidd1 Supporting Member

    A low pass filter won't work for what you are describing. Try searching google using bass mid sweep. You'll get plenty of results.

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