Product images are provided for reference and may not represent the exact model, configuration, or included components.

At A Glance

Input Impedance
500 kΩ
Output Impedance
3 kΩ
Maximum Intput Level
+5 dB
Maximum Output Level
+8 dB
Noise Floor
95 dBV
Phase Shift Range
180 Degrees
Bypass
Hardwire
Current Draw
6 mA
Power Supply
9 volts DC
Description

Dunlop positioned the MXR Phase 100 (M107-U) as a feature-rich phaser pedal within the MXR effects line, offering greater tonal flexibility than a single-knob phaser design. The unit was built around a hardwire bypass circuit and a 9-volt DC power supply.

The Phase 100 carried two primary controls: a Speed knob and an Intensity control with four selectable waveforms, giving the player a broad range of phasing textures from slow, subtle sweeps to more pronounced modulation. The pedal operated with an input impedance of 500 kΩ and an output impedance of 3 kΩ, with a maximum input level of +5 dB, a maximum output level of +8 dB, a noise floor of 95 dBV, and a phase shift range of 180 degrees. Current draw was rated at 6 mA.

Owners seeking period-correct replacements for internal components, knobs, or power supply connections should consult a qualified guitar technician or electronics repair specialist familiar with vintage effects circuitry.

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