The Marsling Octafuzzdrive is a recreation of the fOXX Tone Machine, first released in 1971 and discontinued in 1978. The Tone Machine is a thick fuzz that uses a phase splitter and complementary rectifier to create an octave overtone.
Demo by Guitar World (EN)
Demo by Eric Bourassa (EN)
Demo by Brett Kingman (EN)
Official Product Video (EN)
All Interstellar Audio Machines Pedals