The echo is enabled by tapping the button on the XY-pad.
The echo is a standard Schroeder nested all pass filter (invented in
1962), courtesy Valhalla
On the XY pad, the following parameters are set out:
- Vertically, the density is set out. The lower half are
pre-echos. The upper half are the transients and the feedback. In the
middle, transients are maximally smeared. This is the feedback of the
- From left to right the delay feedback is set out. With the left
half retrieving the pre-echos before the actual signal, and the right
half with a standard echo. This axis specifies the feedback of the
outer delay line.