the right hand side there are three knobs. A mix knob to mix the level of input signal with the level of the VCO signal, an FM Amount knob that allows the input signal to modulate the VCO with frequency modulation, and an Env. Amount knob that sets an envelope to the frequency modulation. MF-108M June 15, 2011 Moog Music announced the release of the Cluster Flux which was a signal processor that produced flanging and chorusing effects. It had a six-waveform modulation section, a knob that added either positive or negative feedback, a jack for inserting effects into the Feedback Loop, a Tap Tempo switch, a 5 Pin DIN input for MIDI Control and dual outputs for either Mono or Stereo. The Second output had a dip switch configurable for either Stereo out (two types), Delay only out, or dual Mono out. CP-251 The CP-251 is a control voltage processor that is designed to be used with any of the moogerfoogers or any other audio device that can be manipulated with control voltages. It does not process sound, only the voltages that control the various parameters on other audio equipment. The control voltages act as invisible hands which "turn" the knobs and controls on the other gear. The CP-251 has a total of 9 knobs and 24 quarter-inch jacks. The CP-251 features an LFO with adjustable rate and square and triangle outputs, a lag processor that can alter the rise and fall of a signal, a multiple jack that passively joins four patchcords together, a white noise generator, two attenuators, a four-way mixer that can combine four signals into one, and a sample and hold. The sample and hold samples a voltage (the noise source) every time a trigger voltage (the square LFO) crosses the threshold. The sampled voltage appears in the output. The user can also use alternate sample and/or trigger voltages to produce desired effects. Whitewashed Editions November 14, 2012 Moog Music released for a limited amount of time special order White-on-White versions of all the currently available Moogerfoogers which included the MF-101 Lowpass Filter, the MF-102 Ring Modulator, the MF-103 12 Stage Phaser, the MF-104M Analog Delay, the MF-105M MIDI MuRF, the MF-107 FreqBox and the MF-108M Cluster Flux. In comparison to the usual motif of Black painted cases with White lettering for front and rear panel graphics and stain finished wood side panels, these were