Vintage Musitronics Mu-Tron III Envelope Filter & PS-1 Power Supply brand_Rivolta Guitars closed-back cabinet provides the perfect

closed-back cabinet provides the perfect sonic platform for the Twin Sister

and temperature

with the phaser sweep being dynamically controlled by your input signal

GO WHERE NO REVERBS HAVE GONE BEFORE

Aux In allows you"¯to jam along with drum grooves

Vintage Musitronics Mu-Tron III Envelope Filter & PS-1 Power Supply brand_Rivolta Guitars closed-back cabinet provides the perfectThe Holy Grail of Vintage Auto Wah, Upgraded for Pro Reliability Step into the exact tone that defined 1970s funk, R&B, and jam band history. This is an original, 1970s Musitronics Mu Tron III, the world's very first envelope filter. Designed by Mike Beigel, this pedal provided the signature squelch for Bootsy Collins, the dynamic quack for Jerry Garcia's legendary solos, and the iconic clavinet sound on Stevie Wonder's "Higher Ground." What sets this