Guitar fuzz unit

68 45 guitar fuzz unit The fuzzbox, fuzzer, tube screamer, or whatever other name there may exist for the controlled guitar sound distortion unit, is a well-known item in the electrophonic field, which is of common interest to both musicians and electronics enthusiasts. The majority of fuzz units are simply opamp configurations with some form of maximum input level control, which determines the degree of overdrive by the guitar input signal, and, consequently, the amount of audible distortion, generally referred to as the object "sound" the player has in mind as his very own musical visiting card. This is probably one of the few fuzz units to feature controllable sym- metrical clipping facilities, which means that the limit for distortion-free amplification may be separately defined for both the negative and positive portions of the input sinewave(s), the peaks of which may be clipped by means of shunt tran- sistors Ti and T2 respectively, each with its own clipping level control ...