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MOOG MOOGERFOOGER MF-103 12 STAGE PHASER.
The MF-103
12-stage phaser is a direct descendant of the original Moog modular
synthesizers, yet can be used with any instrument level to line level
signal. It contains two compete modular functions: a 6 or 12-stage
phaser with resonance control, and wide range LFO with amount control.
The 12-Stage Phaser's control parameters are Sweep frequency,
Resonance, LFO Rate and LFO Amount. All of these parameters can be
controlled by the great feeling knobs that beg to be tweaked as well as
expression pedals or external control voltages. Panel switches select
ranrge of LFO Rate and 6 or 12 stage phasing. 1/4" jacks are provided
for audio input and outputs, pedal/control inputs, LFO out and
auxiliary sweep input for bi-phase effects. The heavy-duty yet
smooth-acting bypass switch allows tabletop or floor use.
A phaser is a type of comb filter, so called because its frequency
response has several dips and peaks, like the teeth of a comb. As the
phaser response sweeps back and forth across the frequency spectrum,
the harmonics of the audio input signal are alternately increased and
decreased. This produces the classic phaser "whooshing" sound. Phasing
is one of the best ways to impart motion to a track and to make sounds
come alive. With the MF-103
Phaser you can get swirling, shimmering, vibrating effects; fill up a
whole stage from one sound source; even create brand new sonic textures.
The MF-103
produces two comb-filter responses. They are called 6-Stage and
12-Stage, because of the number of phase-shifting circuits that are
used internally. The 6-Stage mode has three dips in its frequency
response, while the 12-Stage mode has six dips. These two modes have
distinctly different sound qualities. In addition, the MF-103 features
a variable feedback circuit which increases the resonance, or depth of
the phaser sound.
FEATURES:
- RATE rotary control, which varies LFO�s frequency over a 250:1 range.
- AMOUNT rotary control, which adjusts the amount by which the LFO output varies the phaser sweep.
- SWEEP rotary control, which moves the phaser frequency response over a six-octave range.
- RESONANCE rotary control, which adjusts the height and sharpness of the peaks of the phaser frequency response.
- DRIVE rotary control, which adjusts the gain of the audio input to the phaser.
- OUTPUT LEVEL rotary control, which balances the phaser signals with the bypassed signal.
- LO-HI rocker switch, which 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 three-color LED that is used to set the DRIVE control.
- LFO, a LED that indicates the LFO rate.
- BYPASS, a two-color LED that tells whether the phaser is active or bypassed.
- ON/BYPASS, a rugged, smooth-acting �stomp switch.�
JACK PANEL FEATURES:
- AUDIO IN 1/4" phone jack - accepts any
instrument-level or line-level audio signal from -16 dBm to +4 dbm.
Input impedance is one megohm.
- AUDIO OUT 1/4" phone jack - -4 dBm nominal output level. +8 dBm
absolute maximum output level. Output impedance is 5,000 ohms.
- AUX OUT 1/4" phone jack - -4 dBm nominal output level. +8 dBm absolute maximum output level. Output impedance is 5,000 ohms.
- RATE, AMOUNT, SWEEP, RESONANCE, all of which are stereo 1/4" jacks
that accept moogerfooger EP1 (or equivalent) expression pedals, or
control voltages from two-circuit or three-circuit 1/4" 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 ohms.
- LFO OUT 1/4" phone jack - delivers the LFO waveform (triangular wave;
+/- 2.8 volts) for use by other voltage-controlled devices. Output
imedance is 600 ohms.
- +9V POWER INPUT jack - accepts standard 9 volt power adaptors (power adaptor included).
GENERAL SPECS:
- CASE: Black panel with hardwood sides -- classic analog appearance.
- DIMENSIONS: 9" x 6" x 2-1/2"
- NET WEIGHT: 2 lb.
- SHIPPING WEIGHT: 4 lb, including power adaptor and instruction manual.
- POWER REQUIREMENTS: 105-125 volt, 5W. 220 volt power adaptor available on special order.
AUDIO DEMOS:
 MP3 Moogerfooger MF-103 Audio Demo 01
MP3 Moogerfooger MF-103 Audio Demo 02
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