Tag: octave

  • Ampeg Scrambler

    Ampeg Scrambler

    Wired up this ampeg scrambler board I’ve had for a while. I’ve been trying to finish up all of the unfinished projects from the last few years. Fired up first test. I used MPSA13 transistors. I got the PCB from John Lyons on DIYStompboxes. It’s the tone pad layout. The layout is set up for…

  • Octave Fuzz Take 2

    Here’s an updated version of the octave fuzz. Q1 and Q2 set up a basic NPN Fuzz Face type circuit. While Q3 acts as a phase splitter. Q4 and Q5 act as a frequency doubler each side being fed an inverted signal from Q3. So far the Fuzz section is working on the breadboard. The…

  • Distort-o-Matic XI

    This is an interesting distortion effect with an octave and wah like tone control. I redrew this schem from an issues of Stompboxology.

  • Push Me Pull You

    This is Tim Escobedo‘s Push Me Pull You. It’s an octave up with an interesting design. Using an NPN PNP pair.

  • Psychtar

    Another very original design by Tim Escobedo. This an octave up with a sitar like sound.

  • Titan Boost/Octave

    This is design by John Hollis. It’s a booster that uses an inductor to generate a massive boost. It also has a switchable octave up. The boost sound is very warm and clear. The octave has a nice tone also. There is a drop in volume between the octave and the boost, since the octave…

  • Green Ringer with Mods

    This is a Green Ringer with both the filter mod and nulling mod. I found these mods at General Guitar Gadgets. The filter mod filters the input signal to bring out a stronger octave. The nulling mod helps tune in the octave generated by balancing the signal on each half of the wave form. The…