Tag octave
Titan Boost-Octave

I built this some years ago, and lost the ages on my blog so I thought I’d repost them. This was a idea posted by John Hollis, whatever happened to him?
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…
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…
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.…
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…