The original effect pedals which were designed and manufactured by Musitronics Corp in 1972.
Dan Armstrong – Blue Clipper

Control: When switched on, the instrument’s volume control adjusts the amount of distortion The output level of the distorted signal is adjusted internally to balance the fuzz loudness with the normal output of any instrument Specifications: Input Impedance: 110k ohms Output Impedance: 3k ohms Signal-to-Noise Ratio: 82 db Power Source: 9V DC battery Weight: 4½...
Dan Armstrong – Green Ringer

Specifications: Input Impedance: 100k ohms Output Impedance: 500 ohms Signal-to-Noise Ratio: 86 db Power Source: 9V DC battery Weight: 4½ oz (including battery) Dimsions: 2¼” l. X 2¼” w. X 1¼” h.
Dan Armstrong – Orange Squeezer

Control: Internal trim pot allows the user to adjust the desired output level Compression threshold pre-set at the factory Specifications: Input Impedance: 80k ohms Output Impedance: 1800 ohms Signal-to-Noise Ratio: 86 db Power Source: 9V DC battery Weight: 4½ oz. (including battery) Dimensions: 2¼” l. X 2¼” w. X 1¼” h.
Dan Armstrong – Purple Peaker

Controls: Hi setting introduces a 12 db peak centered at 4000Hz (high-end “Presence”) Hi + Lo setting introduces a 12 db peak at 4000Hz as well as a 7 db peak 200Hz (high-end “Presence” and low-end “Punch”) Off setting neither peak is produced but signal is improved; eliminates signal loss and hum pick-up Specifications: Input...
Dan Armstrong – Red Ranger

Controls: Bass setting produces 22 db boost in the bass range (without diminishing treble range) Full setting produces 13 db of clean boost across the full frequency range Treble setting produces 25 db in the treble range Specifications: Input Impedance: 110k ohms Output Impedance: 300 ohm Signal-to-Noise Ratio: 85 db Power Source: 9V DC battery...
Dan Armstrong – Yellow Humper

Controls: Lo setting produces 7 db peak in the frequency response centered at 100Hz Lo + Hi setting produces 7 db peak at 100Hz as well as a 10 db peak at 2000Hz Off setting neither peak is produced but signal is improved; eliminates signal loss and hum pick-up Specifications: Input Impedance: 100k ohms Output Impedance:...
Mu-Tron Bi-Phase

The World’s First Dual Phasor The Mu-Tron Bi-Phase consists of two independent 6-stage phasor circuits, two sweep generators (oscillators), and a number of unique additional controls to allow maximum flexibility in generating a variety of phasing effects. The Mu-Tron Bi-Phase also offers several convenience features including LED indicators on each phasor, mike stand socket on...
Mu-Tron III

“New, sophisticated, versatile… utilizing the latest in music synthesis techniques. Small enough to be a ‘mini-synthesizer’. Mu-tron III translates the envelope or “volume picture” of every note automatically… into an easily-controlled, articulated, vowel-like sound – as fast or slow as you play. Use Mu-tron III to create a variety of synthesizer sounds through most electrified instruments...
Mu-Tron Flanger
“Some flangers give you a wide range of effects, but lack the expressiveness of pedal control. Others give you a pedal, but limited sound range. Mu-tron’s new Pedal Flanger offers you both. You get a wide variety of effects like slap-back echo, card-board tube, hard reverb, vibrato, and double tracking, plus expressive pedal control, all in one...
Mu-Tron Phasor
” Mu-tron Phasor simulates a rotating, moving, spacial sound that was once obtained only mechanically with speakers or with expensive studio equipment. It gives you greater depth, intensity and variation than other electronic devices because of new circuitry with much superior dynamic range and uniformity of characteristics. And without distortion. What does the Mu-tron Phasor...
Mu-Tron Phasor II
“Mu-tron Phasor II is a new, advanced phase-shifting device designed to give the musician true state-of-the-art performance in a rugged, compact package at a very affordable price. The original Mu-tron Phasor has been used with great success by professionals all over the world. As a second generation model, Mu-tron Phasor II offers significantly improved performance –...
Mu-Tron Octave Divider
“For guitar, voice, monophonic keyboards, most reeds, and many other instruments – allowing the performer the addition of another voice without compromising the original tone. By virtue of advanced circuit design and unique stabilization techniques (patents pending), Musitronics is able to bring you a sophisticated accessory which produces a sub-octave with many of the characteristics of...
Mu-Tron C-200 Volume-Wah

“The MU-TRON C-200 VOLUME-WAH PEDAL features volume and wah functions that can be used indepently or in combination. A trim pot on the side of the pedal provides a gain boost of 0 to 10 db, and two LEDs indicate the status of the effects. The unit is AC powered, guaranteed to provide uniform operation over all...
Mu-Tron PS-1
Designed specifically for us with Mu-tron III, making batteries unnecessary. Comes complete with permanent cords and plugs for line current and Mu-tron III. Dimensions: 4″ long, 2 3/4″ wide, 2 1/4″ high. Finished to complement Mu-tron III. Operates on 110-120 volts AC, 60 Hz. Rated output: ±9 V at 30 mA maximum. Power consumption: 1 VA.”
Mu-Tron Micro V
“Mu-tron Micro V is an advanced envelope-controlled filter device designed specifically for the musician who wants the touch-controlled wah effect pioneered by the original envelope follower, Mu-tron III – but who doesn’t need all the effects it is capable of producing. Mu-tron V uses a sophisticated solid-state circuit design to achieve simplicity and ease of operation...
About

The Stomping Ground: Musitronics, Mu-Tron, and the Gizmotron by Chris GillReprinted from Vintage Guitar MagazineSeptember 1997, Volume 11 Number 12 Mu-Tron III Effects pedals would probably still be considered novelties instead of serious tools for professional musicians had it not been for the ambitious efforts of the Musitronics company in the ’70s. Their impressive line...