Basic Audio Supa MKI FuzzMaker: Basic Audio Model: Supa MKI Fuzz Condition: New Description: The Supa MKI is similar to the Tone Bender MKI but has a more forward mid range and more overall "cut" in tone. Level, Attack and Hi Cut Tone knob. This is based on the original version of the Marshall Supa Fuzz "filter" version which had no Attack (Fuzz) knob. The Attack knob changes the bias as well as gain of the circuit. It does not clean up as much as the TB MKI but with the bias