Ferrofish B4000+ Authentic Organ Sound ModuleThe B4000+ from Ferrofish is an external sound module that authentically models the original Hammond B3 drawbar organ. The modeled features include ninety one tonewheels, full polyphony, key clicks and percussion, scanner vibrato, overdrive, rotating Leslie speaker, and much more. The module includes nine real drawbars, high resolution endless potentiometers and a TFT display. Processing is handled by a Sharc DSP from Analog Devices and a Cortex 3 ARM