Overdrive emulates the distortion produced by a field effect transistor (FET), which is commonly used in solid-state musical instrument amplifiers and hardware effects devices. When saturated, FETs generate a warmer-sounding distortion than bipolar transistors, such as those emulated by the Distortion effect.

Figure. Overdrive window.
  • Drive slider and field: Sets the saturation amount for the simulated transistor.
  • Display: Shows the impact of parameters on the signal.
  • Tone knob and field: Sets the frequency for the high cut filter. Filtering the harmonically rich distorted signal produces a softer tone.
  • Output slider and field: Sets the output level. This allows you to compensate for increases in loudness caused by using Overdrive.