If there’s one effect pedal that can give you that instant funk-bass sound, it’s unquestionably the envelope filter. The first, and still widely considered the best, is the Musitronics Mu-Tron III.

NAMM 2014: Mike Beigel, the man behind the sought-after Mu-Tron III envelope filter effect (popularised in the 70s by the likes of Bootsy Collins and Stevie Wonder) has unveiled an updated version of ...

Longtime Grateful Dead roadie Steve Parish is selling one of Jerry Garcia’s iconic Mu-Tron III pedals on eBay. It was used by Garcia in both the Jerry Garcia Band and the Grateful Dead, but Parish ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Mike Beigal is most famous for creating the Mu-Tron III envelope filter, but in recent years, his ...