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Moog MF-101 Moogerfooger Low Pass Filter  

Item #: 
1397775611736799847
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The award-winning MF-101 Lowpass Filter is a direct descendant of the original Moog modular synthesizers. It contains two complete modular functions: a voltage-controlled lowpass filter and an envelop... Read More

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Overview

The award-winning MF-101 Lowpass Filter is a direct descendant of the original Moog modular synthesizers. It contains two complete modular functions: a voltage-controlled lowpass filter and an envelope follower. It can be used with any instrument-level to line level-signal.

The moogerfooger filter's control parameters are signal mix, cutoff frequency, resonance amount, and envelope amount. All of the Lowpass Filter's parameters can be controlled with expression pedals or external control voltages as well as by great feeling knobs which beg to be tweaked. Panel switches select filter mode and envelope follower speed. 1/4" jacks are provided for audio input and output, pedal/control inputs and envelope follower output. A heavy-duty, yet smooth-acting bypass switch allows tabletop or foot operation.

A lowpass filter removes high frequencies from a tone. It makes the tone sound more mellow or muted. The lower the Cutoff, the more muted the tone sounds. Imagine a window shade. As it is pulled down, it cuts out the higher light, then the light from the middle of the window, then finally all the light. The MF-101 Lowpass Filter does the same sort of thing to the sound spectrum with its Cutoff Control.
As you turn up the Resonance control, the overtones near the cutoff frequency are boosted. Resonance gives the moogerfooger filter the same classic Moog filter sound as the Minimoog; and Moog modular synthesizers.

The envelope follower tracks the loudness contour (envelope) of a sound, and produces a voltage that follows the dynamics of your playing. Every time you play a note, the envelope voltage goes up and then down. The harder you play, the higher the envelope voltage goes. The envelope follower opens and closes the lowpass filter. Think of the envelope voltage as an invisible hand that turns the CUTOFF knob up and down every time you play a note. Since the envelope follows the dynamics of your instrument's signal, you actually play the filter as you play your instrument.

Features
  • CUTOFF rotary control, which varies the filter's cutoff frequency over an eight-octave range
  • RESONANCE rotary control, which varies the shape of the filter's response, from pure lowpass to actual oscillation
  • ENVELOPE AMOUNT rotary control, which adjusts the amount that the input signal's envelope sweeps the filter cutoff frequency
  • MIX rotary control, which crossfades continuously from unfiltered to filtered audio
  • DRIVE rotary control, which adjusts the gain of the audio input
  • SMOOTH-FAST rocker switch, which chooses between smooth and fast envelope follower response
  • 2-POLE 4-POLE rocker switch, which chooses between 2-pole (bright) and 4-pole (deep) filter frequency response
  • LEVEL, a three-color LED that is used to set the DRIVE control
  • ENV, a LED that indicates the strength of the envelope voltage
  • BYPASS, a two-color LED that tells whether the filter is on or bypassed
Specifications
  • AUDIO IN 1/4" phone jack - accepts any instrument-level or line-level audio signal from -16 dBm to +4 dbm
  • AUDIO OUT 1/4" phone jack - -4 dBm nominal output level
  • UTOFF, RESONANCE, AMOUNT, MIX, all of which are stereo 1/4" jacks that accept moogerfooger EP1 (or equivalent) expression pedals, or control voltages from either two-circuit or three-circuit 1/4" jacks
  • ENVELOPE OUT jack - delivers the Envelope Control voltage for use by other voltage-controlled devices
  • +9V POWER INPUT jack - accepts standard 9 volt power adaptors (power adaptor included)
  • CASE: Black panel with hardwood sides - classic analog appearance
  • DIMENSIONS: 9" x 6" x 2-1/2"
  • NET WEIGHT: 2 lb
  • POWER REQUIREMENTS: 105-125AC, 5W. 220AC 50Hz either European or UK style power adaptor available on special order
Warranty
MANUFACTURER'S WARRANTY
LIMITED WARRANTY
Moog music warrants each instrument to be free of defects in material and workmanship for a period of one year after delivery to the retail purchaser. The warranty is void if the instrument has been modified in any manner other than in accordance with written instructions from Moog Music, Inc., of if the defect or failure is judged by Moog Music, Inc., to be caused by normal wear, accident, neglect, or conditions of operation other than those specified in the instruction manual.

This warranty is subject to verification by Moog Music, Inc., that a defect or failure exists and that the original purchaser complies with the following:
1. Warranty Registration Card must be returned by the purchaser to Moog Music, Inc., within 10 days of retail purchase.
2. Moog Music, Inc., must be notified by telephone, or in writing, of the problem to secure authorization to return the instrument to the factory or warranty center.
3. The instrument must be shipped prepaid. It will be returned with shipping charges prepaid by Moog Music, Inc.

MOOG MUSIC, INC., MAKES NO OTHER EXPRESS WARRANTY OF ANY KIND WHATSOEVER. ALL IMPLIED WARRANTIES, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, EXCEEDING THE DURATION OF THE AFORESTATED OBLIGATIONS ARE HEREBY DISCLAIMED AND EXCLUDED FROM THIS WARRANTY. NORLIN SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES.

Moog Music, Inc., authorizes no persons to assume for it any warranty or other liability in connection with the sale of Moog Music, Inc., instruments.

Moog Music, Inc., reserves the right to make changes in design at anytime without incurring any obligation to install same on units previously purchased.


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