Chorus is a pitch and delay effect that adds a rich, shimmering quality to a sound by detuning and delaying the incoming signal and combining it with the unaffected signal. The Ultra Chorus has a dedicated LFO—a ‘LUSH’ control, which gives this unit a dense, rich character.

Controls the mix of the dry signal and the processed (Wet) signal. The percentage indicated is the amount of the signal that is Wet.
Range: 0 to 100%


  • RATE
    This control sets the cycle speed of the LFO. Minimum settings will produces a sweeping effect, higher settings cause a more warbling effect.
    Range: 0.00Hz to 15.00 Hz
    The Depth control adjusts the amount of the LFO pitch modulation.
    Range: 0.01 to 0.98
    Controls the Delay time.
    Range: 0.00 to 1.00
    These three waveforms control the contour of the pitch change that is applied to the delay.
  1. Sine – A symmetrical, smoothly cycling wave.
  2. Random – Asymmetrical changes in the wave make randomized pitch changes.
  3. Linear – A symmetrical, linear cycle.
  • LUSH
    Sums the left and right signal, adding density to the sound.


    Applied to the Delay, Feedback repeats the delays for more sonic density. At minimum settings the difference is minor, and at maximum settings it creates flanging, metallic overtones.
    Range: 0.01 to 0.98
    Reverses the phase of the chorus.
    Pans the chorused signal to left and right, widening the stereo image.
    Range: 0.00 to 1.00
  • TONE
    Tone is a combination High-Pass and Low-Pass filter. When set at 12-O’Clock (.500) the Tone is neutral. When shifted clockwise, a high-pass filter is applied, and when changed counter-clockwise, a low-pass filter is applied.
    Range: 0.00 to 1.00
    Adjusts the overall output.
    Range: -inf to 0.00