SoundTraxx Tsunami Steam Technical Reference - Manual (Page 85)

Tsunami Technical Reference Page 83
CV 187 DDE Filter Damping
Bits 0-7: D0:D7, DDE Filter Damping
This CV contains a value between 0 and 255 that sets
the overall damping ratio of the DDE Filter Bank.
Default Value: 255
DDE Control CVs
Bit 7 Bit 0
D7 D6 D5 D4 D3 D2 D1 D0