Amtron UK264 "Electronic Leslie"

[Axldeziak]

Schematics and build docs can be found here, here, and here.

"Cancel" footswitch (original circuit on/off) ignored, and Volume pot added to end of circuit.

[fx-fidden]

https://www.youtube.com/watch?v=d5mFGSBrM30

[Axldeziak]

That was delightfully awful. Sort of like a 70's educational film soundtrack... but I like it.
The clip could have benefited from some knob twiddling (and playing in a halfway recognizable manner.)