Circuit Bent Yamaha TG33 Vector Synthesizer

via this auction
"This is not a circuit bent toy, but taps into the brain of one of the greatest synths Yamaha made.

Bends include
1. AWM extension box - use the supplied db-25 to connect to module (replaces card slot)
2. Pitch knob - replace pitch to greate some incredible granular effects. Oscillator replaces clock.
3.Pitch knob needs top right switch to be engaged. (note: to disengage pitch, you will have to power down, flip switch, power on) because it's a real brain scrambler.
4. fm/awm modificatioin switch.
5. rotary switch for #4 mods, giving you additinal 4 flavors of the mod.

This is a very deep synth. It works perfectly normally withought any mods, but shines when you begin to torture the patchpoints (sublte) and the extra clock oscillator panel mods (intense)."