Manufacturers

Guitar Pedals from Mu-Tron

Welcome to your ultimate guide to Mu-Tron's guitar pedals. This catalog serves as your starting point to explore and compare all pedals crafted by Mu-Tron. Designed for easy navigation, we hope you can quickly find detailed information on each pedal, including specifications, user reviews, and demo videos. Whether you're searching for the latest releases, seeking to expand your pedal collection, or exploring options for a specific sound, hopefully Stompbx can assist you in finding exactly what you need.

Compression/Sustain

Boostron II

The Boostron II by Mu-Tron is an independent dual effect pedal that offers three types of clean boost on one channel and a high-headroom, low-noise compressor on the other. It is designed to enhance the harmonic overtones and expand frequency response across the full-range audio spectrum. The pedal is transparent and allows for pure line amplification of the instrument, making it suitable for use with effect pedals, preamps, amplifiers, and recording consoles. Key Features: \- Ability to preserve dynamics and harmonic content of the original signal \- Low-noise operation \- High-fidelity, analog signal processing \- Three classic boost circuits and compressor circuits powered by Mu-Tron bipolar power supply \- Internal controls for individual preamp levels, allowing for various usage configurations \- LED indicators to show the operating status of effects \- 9V DC powered in rugged Mu-Tron enclosure \- Boost, Squeeze, and Level controls for adjusting the preamp and compressor signals \- Preamp and Ranger controls for selecting preamp circuit and EQ curve \- 1/4" Input and Output Jacks \- Weight: 1 lb \- Dimensions: 4.75" x 2.5" x 2.25" \- 1 Year Limited Warranty \- Made in the USA The BOOSTRON II improves tracking for pitch-shift effects, triggering for envelope filters, and enhances overdrive and distortion effects. It is also suitable for use as a limiter or a signal buffer when placed at the end of the signal chain. The pedal is housed in a rugged enclosure and combines visual and sonic cues from the past with a modern, pedalboard-oriented approach. It is designed to work in tandem with other Mu-Tron products such as the OCTAVIDER+ and the MICRO-TRON IV.

Controllers and Switches

C-200 Volume-Wah

The Mu-Tron C-200 Volume-Wah pedal is a versatile effects unit designed for guitarists and other musicians. It features volume and wah functions that can be used independently or in combination, offering a wide range of tonal possibilities. The pedal includes a trim pot on the side, providing a gain boost of 0 to 10 dB, and two LEDs to indicate the status of the effects. Specifications: \- Input Impedance: 390k ohms, unbalanced \- Output Impedance: 600 ohms, unbalanced \- Trim Pot: Gain boost of 0 to 10 dB \- AC Power Requirements: 115V AC, 60Hz \- Dimensions: 11½” l. X 3¾” w. X 3″ h. (in closed position) \- Weight: 4 pounds The unit is AC powered and is guaranteed to provide uniform operation over all normal temperature and environmental conditions, delivering studio-quality sound. The pedal's design allows for control of silent to full-volume volume sweep and filter sweep via foot pedals, and both functions can be simultaneously controlled when both foot switches are enabled. The Mu-Tron C-200 Volume-Wah pedal is a sought-after effects unit known for its cult following and its ability to produce a wide variety of expressive and dynamic effects, making it a valuable addition to any musician's setup.

Octave/Pitch Shifters

Octavider

The Octavider by Mu-Tron is a compact and versatile pedal designed to create thick analog octave-down and fuzzy ring-modulated octave-up tones. It is powered by an industry-standard 9V DC power supply. The pedal is suitable for use with guitar, bass, keyboards, and horns, effectively turning the instrument into a fat monophonic synthesizer. Key Features: \- Ability to preserve dynamics and harmonic content of the original signal in the sub-octave \- Stabilization circuit that "locks into" all single-voiced signals \- Tone color control for sub-octave \- Ringer circuit for harmonic emphasis of upper tones and special multi-note effects \- Independent high-fidelity fuzz circuit that adds harmonic overdrive tones with single-knob control \- LED indicators to show the operating status of effects \- 9V DC powered in a rugged Mu-Tron enclosure Controls: \- Mix: Controls the mix between the direct signal and the effect signal \- Tone (Lo-Hi): Controls the tone \- Ringer: Adds a slight octave up and fuzz tone \- Stabilize (On/Off): Provides note tracking stability \- Bass Only (On/Off): Takes out the input signal \- Fuzz: Adds a warm hi-fi fuzz tone Specifications: \- 1/4″ Input Jack \- 1/4″ Output Jack \- 9V DC \- Weight: 1 lb \- Dimensions: 4.75″ x 2.5″ x 2.25″ \- 1 Year Limited Warranty \- Made in the USA The Octavider+ also includes a new, high-voltage, hi-fidelity "blue" fuzz circuit that adds amazing harmonic distortion, which may be used independently or in addition to the octave effect. The pedal is designed to work in a complementary fashion with the Mu-Tron Micro-Tron IV and Phasor III products to produce a "modular synthesis system."

Overdrive and Boost

Boostron II

The Boostron II by Mu-Tron is an independent dual effect pedal that offers three types of clean boost on one channel and a high-headroom, low-noise compressor on the other. It is designed to enhance the harmonic overtones and expand frequency response across the full-range audio spectrum. The pedal is transparent and allows for pure line amplification of the instrument, making it suitable for use with effect pedals, preamps, amplifiers, and recording consoles. Key Features: \- Ability to preserve dynamics and harmonic content of the original signal \- Low-noise operation \- High-fidelity, analog signal processing \- Three classic boost circuits and compressor circuits powered by Mu-Tron bipolar power supply \- Internal controls for individual preamp levels, allowing for various usage configurations \- LED indicators to show the operating status of effects \- 9V DC powered in rugged Mu-Tron enclosure \- Boost, Squeeze, and Level controls for adjusting the preamp and compressor signals \- Preamp and Ranger controls for selecting preamp circuit and EQ curve \- 1/4" Input and Output Jacks \- Weight: 1 lb \- Dimensions: 4.75" x 2.5" x 2.25" \- 1 Year Limited Warranty \- Made in the USA The BOOSTRON II improves tracking for pitch-shift effects, triggering for envelope filters, and enhances overdrive and distortion effects. It is also suitable for use as a limiter or a signal buffer when placed at the end of the signal chain. The pedal is housed in a rugged enclosure and combines visual and sonic cues from the past with a modern, pedalboard-oriented approach. It is designed to work in tandem with other Mu-Tron products such as the OCTAVIDER+ and the MICRO-TRON IV.

Phasers

Phasor II

The Mu-Tron Phasor II is an advanced phase-shifting device designed to provide state-of-the-art performance in a rugged, compact package at an affordable price. It features six phase-shift stages providing a maximum of 1080 degrees of phase-shift for a deep, satisfying phasing effect. The exclusive feedback circuitry produces a distinctive, pronounced sweeping effect, even at the slowest phasing rate. The pedal has extremely low noise and unequaled signal- handling capability for freedom from distortion, making it ideal for use after a pre-amplifier or with high-output electric keyboards, as well as for critical use with electric guitars or other instruments in the studio or on stage. The Phasor II is AC powered for quiet, reliable operation without the annoyance of frequent battery changes. It is equipped with three continuously variable controls for Rate, Depth, and Feedback, providing complete and effective control of sound over a wide range of possible effects. The housing is made of heavy gauge steel and thick, rugged epoxy-finished aluminum, ensuring durability for use on the road. Technical Specifications: \- Input Impedance: 390K ohms, unbalanced \- Output Impedance: 600 ohms, unbalanced \- Gain: Unity (Less than 1db insertion loss) \- Frequency Response (Bypass): 20Hz – 20KHz ± 2db \- Signal Handling Capability: \- Minimum Feedback: 4V RMS, 11.2V Peak-to-Peak \- Maximum Feedback: 2V RMS, 5.6V Peak-to-Peak \- Signal-to-Noise Ratio: Better than 86 dB below 2V input \- Phasing Rate: 1Hz to 18Hz \- AC Power Requirements: 115V AC, 50-60Hz, 5 watts (230V AC, 50-60Hz available on special order) \- Weight: 3½ pounds \- Dimensions: 8¾” l. X 5″ w. X 3⅛” h. The Mu-Tron Phasor II is a versatile and high-performance phase-shifting device suitable for a wide range of musical applications, offering musicians the ability to create unique and dynamic soundscapes.

Bi-Phase

The Mu-Tron Bi-Phase is a versatile effects pedal designed for guitar and bass. It offers the following technical specifications: \- Input Impedance: 300k ohms minimum, unbalanced \- Output Impedance: 600 ohms, unbalanced \- Insertion Loss: Less than 1dB \- Frequency Response: 20Hz to 20kHz \- Control Features: The Bi-Phase provides a range of control features, both internal and external, allowing for precise adjustment of the phase-shifting effects. \- Design: The pedal features a durable and compact design, suitable for use in both studio and live performance settings. \- Use-Cases: The Bi-Phase is commonly used by musicians seeking to add rich, dynamic phase-shifting effects to their sound, and it has been a staple in the rigs of many renowned guitarists and bassists.

Phasor

The Mu-Tron Phasor is a renowned phase-shifting device known for its advanced performance and rugged design. The Phasor II model offers six phase-shift stages, providing a maximum of 1080 degrees of phase-shift for a deep, satisfying phasing effect. It features exclusive feedback circuitry for a distinctive sweeping effect, even at slow phasing rates. The circuitry has extremely low noise and exceptional signal-handling capability, making it ideal for use with high-output electric keyboards, electric guitars, and other instruments in studio or live settings. The Phasor II's controls include Rate for speed/rate of the LFO wave, Depth for modulation depth, and Feedback for the level of effected signal fed back into the effect. Its technical specifications include an input impedance of 390K ohms, output impedance of 600 ohms, unity gain, and a frequency response of 20Hz – 20KHz ± 2db in bypass mode. It operates on 115V AC, 50-60Hz, and weighs 3½ pounds with dimensions of 8¾” l. X 5″ w. X 3⅛” h. The Phasor III is a compact, modernized, and affordable version of the classic Phasor II, offering a creamy phase and a 4-stage mode with fixed feedback for classic rock tones that work well with overdrive and distortion harmonics. It also features control voltage input for real-time control of Rate or Depth, and control voltage out for linking multiple Phasor III pedals. The pedal operates on 9V DC power and weighs 1 lb, with dimensions of 4.75″ x 2.5″ x 2.25″. It comes with a 1-year limited warranty and is made in the USA. Both models are known for their high-quality components, heavy-duty construction, and exceptional performance, making them popular choices for musicians seeking versatile and reliable phase-shifting effects.

Wah Wah

C-200 Volume-Wah

The Mu-Tron C-200 Volume-Wah pedal is a versatile effects unit designed for guitarists and other musicians. It features volume and wah functions that can be used independently or in combination, offering a wide range of tonal possibilities. The pedal includes a trim pot on the side, providing a gain boost of 0 to 10 dB, and two LEDs to indicate the status of the effects. Specifications: \- Input Impedance: 390k ohms, unbalanced \- Output Impedance: 600 ohms, unbalanced \- Trim Pot: Gain boost of 0 to 10 dB \- AC Power Requirements: 115V AC, 60Hz \- Dimensions: 11½” l. X 3¾” w. X 3″ h. (in closed position) \- Weight: 4 pounds The unit is AC powered and is guaranteed to provide uniform operation over all normal temperature and environmental conditions, delivering studio-quality sound. The pedal's design allows for control of silent to full-volume volume sweep and filter sweep via foot pedals, and both functions can be simultaneously controlled when both foot switches are enabled. The Mu-Tron C-200 Volume-Wah pedal is a sought-after effects unit known for its cult following and its ability to produce a wide variety of expressive and dynamic effects, making it a valuable addition to any musician's setup.

Musitronics III Envelope Filter

The Musitronics III Envelope Filter, also known as the Mu-Tron III, is an analog envelope-controlled filter designed and manufactured by Musitronics Corporation. It was first introduced in 1972 and has since become an essential effect for many funk musicians. The pedal is capable of translating the envelope or "volume picture" of every note automatically into an easily- controlled, articulated, vowel-like sound, as fast or slow as the user plays. It can be used with various electrified instruments such as guitar, keyboards, drums, flute, saxophone, brasses, bass, mandolin, and even microphone. Key Technical Specifications: \- Gain: Variable from 0.1 to 40 when driven from a low impedance source \- Input Impedance: 1 megohm at the lowest setting of the GAIN control, variable to 3.3K ohms at the maximum gain setting \- Output Impedance: 600 ohms \- Minimum Input Signal for Full Mu-Tron Effect: 1.5 mV from a 600-ohm source \- Maximum Undistorted Output Signal: 3.6 volts RMS \- Power Supply: ±9 Volts from 2 NEDA 1604 batteries or Musitronics Model PS-1 Battery Eliminator \- Dimensions: 8¾” l. X 5″ w. X 3⅛” h. \- Weight: 3¼ pounds (without batteries) Controls: \- Mode (LP/BP/HP): Selects the type of filter - Lowpass, Bandpass, Highpass \- Peak: Controls the volume of the cutoff frequency \- Gain: Adjusts the filter’s sensitivity to the signal of the instrument \- Range (Low/High): Selects the frequency range covered by the filter envelope \- Down/Up: Selects the direction of the filter sweep - down or upwards \- Power (Off/On): Switches the power on or off Use Cases: The Musitronics III Envelope Filter is widely used by musicians across various genres, including rock, jazz, funk, soul, art rock, psychedelic rock, alternative rock, experimental rock, electronic, jazz fusion, and folk rock. It has been favored by renowned artists such as Flea, Steve Vai, Trent Reznor, Andy Summers, Jerry Garcia, and Squarepusher. The pedal's functionality as an automatic 'wah' pedal and its ability to provide inverted vowel trajectory (‘staccato snap’) make it a versatile tool for creating a variety of synthesizer sounds and cascading effects. The Musitronics III Envelope Filter remains a sought-after vintage effect pedal due to its unique sound and its historical significance as the world's first envelope-controlled filter.

Micro-Tron IV

The Micro-Tron IV by Mu-Tron is a compact and convenient envelope filter pedal designed to deliver classic Jerry tone and Bootsy funk in a pedalboard- friendly size. It is powered by an industry-standard 9V DC power supply and features an OUTPUT level control with the ability to footswitch select between UP and DOWN drives. The pedal is suitable for use with guitar, bass, keys, horns, and harmonica. Key Specifications: \- 1/4" Input Jack \- 1/4" Output Jack \- 1/8" CV Input Jack \- 1/8" CV Output Jack \- 9V DC, 52 mA draw \- Weight: 1 lbs \- Dimensions: 4.75" x 2.5" x 2.25" \- 1 Year Limited Warranty \- Made in the USA The Micro-Tron IV features three filter types: low, high, and band pass, as well as low and high frequency sweep ranges. It also includes standard CV input to accept an expression pedal without modification and the ability to send envelope Control Voltage to other units such as the Phasor III and Bi- Phase pedals. The pedal's controls include MODE (LP, BP, HP), RANGE (LO, HI), LEVEL, PEAK (or Q), GAIN, and ON/OFF Footswitch for engaging or disengaging the envelope filter effect. Additionally, it has an UP/DOWN Footswitch for selecting between "auto-wah" and "down swoop" sounds. The durable, anodized aluminum housing has a small footprint and sturdy hardware, making it suitable for rigorous use. The Micro-Tron IV also offers Universal BypassTM, allowing users to select either analog buffered or relay- based True Bypass, and features a USB port for class-compliant USB-MIDI connectivity.