http://www.dlseffects.com The Roto Sim from DLS, demoed with an http://www.rsguitarworks.net RS Guitarworks Slab Blackguard. By request, I focused on the tone shaping between the tweeter level control and the bass rotor levels. This thing really DOES IT! one of the tastiest Leslie Speaker emulators I've had the pleasure of meeting. DIG! Wired for sound with http://www.bulletcable.com slug and coily cables, using an http://www.drzamps.com Dr Z Z-Wreck amplifier, and http://www.royerlabs.com Royer R-121 Ribbon Mic