Hammond Leslie Switch CU-1
CU-1 Tremolo/Off/Chorale Switch
This half-moon shaped switch assembly is used to control the speeds of the internal digital Leslie found in the XK Pro System, XK-3, XK-3c, XK-1c, and SK-2 as well as the speeds of any Leslie speaker that is connected to the unit. Â This switch assembly mounts to the front rail via the two thumbscrews provided and can easily be removed for transportation purposes.