In this short video, from the guys at BigCityMusic, monster guitarist Blues Saraceno plays his Les Paul into the Analogue Systems rs35 External Source Processor module, which is a pitch to voltage (1 volt per octave) module. The rs35 is triggering a pair of rs95 voltage controlled oscillators, which are then processed through several other A.S. modules.
The final sound is coming from the tiny 5″ Yamaha speaker which was mic’d with a handheld SM-57.