Wah sound effect and inductor question

Discussion in 'The Projects Forum' started by Spence, May 11, 2012.

  1. Spence

    Thread Starter Member

    Apr 23, 2010
    49
    3
    I'm not having much luck prototyping this circuit, I think my problem is getting the correct inductor, I've tried various inductors that I have to hand.

    So my question is, what does the inductor do in this circuit? is it some sort of tank circuit?

    This is a guitar special effect pedal.
    Transistors used are BC109C which are shown used in similar circuits.
     
  2. SgtWookie

    Expert

    Jul 17, 2007
    22,182
    1,728
    Spence likes this.
  3. Spence

    Thread Starter Member

    Apr 23, 2010
    49
    3
    Well, I tried a few more inductors and got it working, the problem is that most of the inductors I have are not marked, except one that is stamped 1.5 H.

    But I still don't know exactly what it does in the circuit.
     
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