Filter / Wah (Envelope Filter) · $199
The Mu-Tron Mini Mu is an analog envelope Filter pedal based on the Optical envelope filter (Mu-Tron III gain circuit / otto-coupler), with Gain; Peak controls, made in USA. From $199.
| Category | Filter / Wah (Envelope Filter) |
| Circuit / based on | Optical envelope filter (Mu-Tron III gain circuit / otto-coupler) |
| Signal | Analog |
| Controls | Gain; Peak |
| Switches | Range (low/hi frequency); Mode (low-pass / band-pass) |
| I/O | 1/4" input; 1/4" output (mono) |
| Power | 9V DC |
| Dimensions | 4.75" x 2.5" x 2.25" |
| Weight | 1 lb |
| Country of manufacture | USA |
Closest matches from other makers, by spec and circuit.