Vintage optical envelop filter similar to the Mu-tron III features funky vowel like quacks or synth like envelope sweeps. Features threshold and peak sliders, two drive settings, and two range settings.

Includes original box.

Video: https://youtu.be/WkwKnq5VCXs

Product Specs

• Item Number: 44201
• Make: Maxon
• Model: AF-9 Auto Filter
• Condition: Very Good
• Finish: Butterscotch
• Categories: effects-and-pedals ⇒ wahs-and-filters ⇒ pedal
• Year: 2008
• Made In: Japan
• MPN: 44201