Vintage 1970's-80's (Arp) era Mutron Inc Mu-Tron III Envelope Band Pass Pedal | eBay
HAZ Mu-Tron III+ Envelope Filter Pedal | zZounds
HAZ Mu-Tron III+ Envelope Filter Pedal | zZounds
Mu-Tron Ripper Envelope Filter - tgt11
Mu-Tron Musitronics III Envelope Filter - ranked #7 in Filter Effects Pedals | Equipboard
Anyone figure out the best settings for Jerry Garcia's sound on the Micro-Tron iii? I can't quite nail it. Estimated Prophet would probably be the best example song. : r/guitarpedals
Electro-Harmonix XO Q-Tron Plus Envelope Filter Guitar Effects Pedal | Guitar Center
HAZ Labs Mu-Tron III Plus Envelope Filter | Reverb
Bassicsgear Musitronics Mu-Tron III Envelope Filter Demo - YouTube
Mutron HAZ auto wah envelope filter mutron III musitronics mu-tron funk | Reverb
HAZ Mu-Tron III+ Envelope Filter Pedal | zZounds
Mu-Tron Mutron III | Reverb
Mu-Tron III Guitar Pedal Great Condition Vintage Envelope Filter – Still Kickin Music