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The
FDBK control adjusts the delay line feedback (regeneration). Infinite repeats at approximately 3:00
(∞), with greater than unity feedback above that. Due to nonlinearity and filtering in the feedback path,
the exact spot where self-oscillation occurs will depend on the input signal and tone control. Increasing
the
FDBK control beyond self-oscillation will add distortion.
Using the
SHIFT control with continuously shifting repeats ( or ) will suppress self-oscillation, except
at very small shifts, because the signal frequencies are different each time through the feedback loop
and are not reinforced. Using one of the single-shift feedback modes ( ) allows you to generate feed-
back and self-oscillation that is independent of the delay time.
The feedback mode (center) toggle switch selects forward or reverse delay and whether the pitch/
phase/frequency shifter is inside or outside the feedback loop.
Feedback mode switch
Reverse /
shift all
Reverse delay with continuously shifted repeats
Forward /
shift all
Forward delay with continuously shifted repeats
Forward /
shift once
Forward delay with repeats shifted once
Reverse /
shift once
Reverse delay with repeats shifted once
available via editor or MIDI CC
Feedback left/right balance
Feedback left/right balance is adjustable via the editor or MIDI. At 50%, both delay lines use the
FDBK control setting. Below 50%, the left delay feedback remains the same and the right delay
feedback is reduced. Above 50%, the right delay feedback remains the same and the left delay feed-
back is reduced. The
FDBK control will adjust both values proportionally. The setting is stored in
