25
APM Parameter
Setting Name Display Range Actual Range
1 Feedback -128 to 128 -99 to +99%
2 Group Delay 1 to 128 0-305ms
3 Effects Level 1 to 128 0-100%
4 – –– –– –
5 Left Delay 1 to 128 0-1000ms
6 Right Delay 1 to 128 0-1000ms
7 – –– –– –
8 High Frequency Cutoff 1 to 16 321Hz-13.8kHz
9 Diffusion 1 to 128 0-100 (arbitrary units)
10 Echo Rhythm 1 to 14* 1/64th note-whole note
*See Page 30 for a map of knob positions vs. note values.
This algorithm is a 4-Tap bouncing delay,
with the bounce going back and forth be-
tween left and right outputs. Delay times can
be tempo-driven by MIDI Clock.
The Group Delay parameter allows all
four delays to be controlled as a group,
maintaining equal spacing for a symmetri-
cally balanced effect. (This parameter is se-
lected as the front panel DELAY parameter.)
The Left and Right Delay parameters
allow you to individually vary the left and right
delay pairs. Simple equalization is provided
in the feedback loop. The feedback param-
eter is selected for front panel control (via
DECAY).
Multi Taps
A4
Delay 1
Diffusion
Delay 2 Delay 3 Delay 4
L Delay
R Delay
HF Cut
Effects
Level
Group Dly
Feedback
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