1972 Musitronics Mu-Tron III Envelope Filter

s us the fuzz box, the treble booster, the wah-wah and a handful of other cool pedals, but the ’70s delivered the real boom in stompbox-sized effects, with creative designs busting out in all directions. Arguably, none of the decade’s early developments offered the same combination of wild sonic melding and creative usability as the envelope filter, best captured in the