BOSS CH-1 Super Chorus

It’s always nice to know how effects pedals you are using work and colour your guitar or bass sound, the chorus effect is a classic example of how a naturally occurring effect can be converted into a simple pedal. The chorus effect naturally occurs when you have two or more people playing the same tune and despite how perfectly tuned the instruments are and how good the timing is there will always be a natural delay and slight pitch variations between the players (unless robot musicians take over the world).

DigiTech HardWire CR-7 Stereo Chorus

Bearing this in mind the principle behind the chorus pedal is a very simple one! you have the guitar input, duplicate it, delay it and change the pitch very slightly. The pitch modulation is actually created by the delay part by slightly slowing a then speeding up the delay. I understand that this is possibly the simplest description of how it works and there will probably be many people out there who will be able to expand on this as there are many different types of chorus out there so all comments are welcome!