If you like stompboxes with unlimited tonal options, check out the highly acclaimed ToneCore effects now available as modules and ToneDock stompboxes. With ToneCore modules and docks, you can easily and inexpensively expand your effects arsenal at any time. ToneCore Modules You can swap out the module inside a ToneCore pedal with anything from the entire line, including Uber Metal, Echo Park, Crunchtone, Space Chorus, Tap Tremolo, Constrictor, Dr. Distorto, Verbzilla, Liqua-Flange, Roto-Machine, and Otto Filter. ToneCore Docks All of the ToneCore modules can be placed in either mono or stereo ToneDock stompboxes. The ToneDock mono and stereo stompbox base stations can be powered by a standard 9 Volt battery, or the optional DC-1 power supply. Roto Machine Roto-Machine pedal brings huge, three-dimensional rotating speaker sounds right to your pedalboard. From dreamy clean to swirling overdrive, Roto-Machine has those signature sounds you could only get from the original - until now! This stompbox sized marvel gives you those classic sounds that will fill the room with swirly vibe. Features: Model Switch: 145: Based on the Leslie 145 L16: Based on the Fender Vibratone (model 16) 122: Based on the Leslie 122 Ramp Switch: Controls how long it takes the speed to go from Fast to Slow. Select between Fast, Medium and Slow ramp time. Speed Controls: Fast Knob: Controls how quickly the horn and drum rotates Slow Knob: Controls how slowly the horn and drum rotates Drive Knob: Controls the amount of overdrive in the tube amp stage. Turn it up for that classic swirling growl. Blend Knob: Fine-tunes the mix balance of the horn and drum Tap Tremolo: Allows you to switch between the 2 different speed knobs. Note: All Images are shown in the docking station, which is sold seperately