Spinn – The effect of four-way modulation of rotation. It resembles the speaker of Leslie, but does not set itself the goal of reproducing it (call it optional if you want). Four rotors (one per frequency band) with individual speed, acceleration and deceleration times, adjustable size and modulation. Each lane also has a speed controller that will adjust the speed according to the input level of the lane. Spinn also offers customized amp modeling.