Offer Details

This vintage 1970s Musitronics Mu-Tron III envelope filter is the definitive auto-wah, offering legendary funk tones in fully functional condition. This package includes both the original, rare PS-1 power supply and a modern CAE sound power adapter for reliable, pedalboard-friendly power options. Classic, sought-after envelope filter, perfect for bass or guitar. Up for sale is an iconic 1970s Musitronics Mu-Tron III Envelope Filter. The gold standard for auto-wah, envelope-controlled filter sounds, famously used by Jerry Garcia, Trey Anastasio, Bootsy Collins, and Stevie Wonder. This unit is in fully functional condition, tested, and ready to bring the funk. Key Features & Included Accessories:1970s Original Mu-Tron III: Legendary tone in the classic metal chassis.Original Musitronics PS-1 Power Supply: Included! Rare, vintage-correct, 3-prong power supply.Modern Power Solution: Includes a CAE sound "brick" adaptor with 5 Pin DIN socket, prewired, mounting screws and nuts. This was never installed, but it is included in the sale, allowing you to use standard pedalboard power without needing the original PSU.Functional: The unit has been thoroughly tested, and all functions (Range, Peak, Gain, Filter Mode) operate as intended.Condition:The unit shows typical cosmetic wear consistent with its age, including minor scratches, paint chips, and patina on the steel chassis, giving it authentic vintage vibe. The original PS-1 is working.