Hammond CU-1 Half Moon Tremolo/Off/Chorale Switch SEQ-HAT and you can hear the

and you can hear the harmonics come in at slightly different times

Switchable 80 Hz high-pass filter and 10 dB pad

just by striking the head normally

along with control of the built-in tempo-synced arpeggiator function

Hammond CU-1 Half Moon Tremolo/Off/Chorale Switch SEQ-HAT and you can hear theThis half moon shaped switch assembly is used to control the speeds of the internal digital Leslie found in the Leslie Pedal, XK 3, XK 3C, XK 5, SKX, SKX Pro, and SK 2 as well as the speeds of any Leslie speaker that is connected to the 11 pin Leslie connector found on the XK 3 or XK 5. This switch assembly mounts to the organ front rail via the two thumbscrews provided and can easily be removed for transportation purposes.