Dave Smith Instruments PROPHET 12 KEYBOARD - Manual (Page 34)

24 Feedback Dave Smith Instruments
Feedback
The analog output of the VCA is input to a tuned delay, whose output is
mixed with the oscillators and input to the character effects. Each voice
has its own tuned delay.
Feedback Amount: -127...0...127 —Sets the level of feedback. As the
level goes up, the feedback will eventually oscillate at the set Tuning.
Medium levels of feedback add depth and movement to the sound.
Negative values invert the signal producing different results than positive
values.
Note: Be careful when using feedback and filter settings with high
resonance. It can get loud quickly!
Tuning: 0…48 —Sets the base frequency of the feedback loop. It steps in
semitones from C0 to C4 for a four-octave range. The frequency always
tracks the keyboard. The exact frequency is influenced by other factors,
such as the filter frequency and number of poles, which can drive it
slightly sharp or flat.