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The black Moogerfooger MF-103 12-Stage Phaser from Moog is a 6-or 12-stage phaser that can be used with either instrument- or line-level sources. Its parameters for the sweep frequency, resonance, LFO rate, and LFO amount can be controlled via the pedal's knobs, external control voltage, or optional expression pedals. A variable feedback circuit can be used to increase resonance.
The phaser creates a frequency response with several dips and peaks that sweeps back and forth over the frequency spectrum, creating effects ranging from classic phaser whooshes to swirling and vibrating sounds. The 6-stage phaser produces 3 dips while the 12-stage creates 6, providing different sonic qualities. Thanks to the MF-103's design, it can be used as a pedalboard or tabletop effect.
In the Box
Moogerfooger MF-103 12-Stage Phaser (Black)
Limited 1-Year Warranty
Table of Contents
Rate Rotary Control: Varies LFO's frequency over a 250:1 range Amount Rotary Control: Adjusts the amount by which the LFO output varies the phaser sweep Sweep Rotary Control: Moves the phaser frequency response over a 6-octave range Resonance Rotary Control: Adjusts the height and sharpness of the peaks of the phaser frequency response Drive Rotary Control: Adjusts the gain of the audio input to the phaser Output Level Rotary Control: Balances the phaser signals with the bypassed signal LO-HI Rocker Switch: chooses between the low LFO range (0.01 Hz to 2.5 Hz) and the high LFO range (1.0 Hz to 250 Hz) Level: A 3-color LED that is used to set the Drive control LFO: An LED that indicates the LFO rate Bypass: a 2-color LED that tells whether the phaser is active or bypassed On/Bypass: A stomp switch
Audio In: 1/4" (6.3 mm) phone jack that accepts any instrument-level or line-level audio signal from -16 dBm to 4 dBm. Input impedance is one MΩ Audio Out: 1/4" (6.3 mm) phone jack, -4 dBm nominal output level. 8 dBm absolute maximum output level. Output impedance is 5,000 Ω AUX Out: 1/4" (6.3 mm) phone jack, -4 dBm nominal output level. 8 dBm absolute maximum output level. Output impedance is 5,000 Ω Rate, Amount, Sweep, Resonance: Stereo 1/4" (6.3 mm) jacks that accept Moogerfooger EP1 (or equivalent) expression pedals, or control voltages from 2-or 3-circuit 1/4" (6.3 mm) jacks Sweep In: Provides a means of applying an external +/- 2.5 volt control signal to the second 6-section phasing circuit, in place of the LFO. Input impedance is 50,000 Ω LFO Out: 1/4" (6.3 mm) phone jack, delivers the LFO waveform (triangular wave; +/- 2.8 volts) for use by other voltage-controlled devices. Output impedance is 600 Ω 9 V Power Input Jack: accepts standard 9 V power adapters