No info about availability.
voltage controlled Wave Multiplier
The basic idea of a wave multiplier is to multiply the waveform of an incoming signal (e.g. triangle/saw/sine from a VCO) within one period of the waveform. This leads to additional harmonics of the incoming signal.
These merchants probably sell this module. Huh?
Fender Gold Foil Telecaster
Hammerax Indigo Suspended Cymbal 20"
Fender Dual Showman
Yamaha SL450S
Electro Voice EVM 10 8ohm
Fender Traditional 60s Telecaster