KnowledgeBase | SPS4-8 | Program Mode

KB3 Organs and Sustain Pedal Use

All of the factory KB3 Tonewheel organs use the switch pedal for leslie rotor speed. Can I change this to traditional sustain functionality?


The behavior of the switch pedal is hard-coded into the programs themselves. Simpler in design, the SP4 user-interface does not permit editing of these program/controller functions directly.

As such, an alternate set of these KB3 programs, with the sustain pedal already enabled for traditional sustain functionality, was created and is available for loading into user memory. The file "KB3 w/ Sustain" is available on the SP4 Downloads page (under Sound Banks).

Select your SP4 model:

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