How to control the parameters of a pedal

Expression-pedals, Midi, CV and Apps

Moog Expression PedalExpression-pedals

The first pedal that could be controlled with an expression-pedal in real time was the Uni-Vibe. The advantage was that you could adjust the swiftness without taking the hands off the strings. Later this function could also be found in Auto-Wahs. In this way the pedal could be controlled just like a real Wah. Continue reading “How to control the parameters of a pedal”

Effect history (Part 2): The 60s – transistor pedals

Effect PedalThe new transistor-technique

The first fuzz-pedals have been invented in the early 60s. One of the first pedals using the new transistor-technique was the Maestro Fuzz Tone Pedal which became famous by the Song “Satisfaction” of the Rolling Stones. Continue reading “Effect history (Part 2): The 60s – transistor pedals”



First of all, a chorus creates an exact copy of the signal. Subsequently one of these signals is, similar to a delay, reproduced delayed. But the delays of the sound are so short that they are not perceived as delays. They only last 2 up to 70 ms. Continue reading “Modulation-pedals”