Moog MF-102 Moogerfooger Ring Modulator<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Frequency rotary control， which varies the carrier frequency over a six-octave range. Rate rotary control， which varies the LFO's frequency from 0.1 Hz to 25 Hz. LFO Amount rotary control， which adjusts the amount that the LFO output sweeps the carrier oscillator. Mix rotary control， which crossfades continuously from unmodulated to modulated audio. Drive rotary control， which adjusts the gain of the audio input. Square-Sine rocker switch， which chooses the LFO waveform. </span></li><li><span class="a-list-item"> The higher the carrier frequency， the more the new tones are separated </span></li><li><span class="a-list-item"> The effects can be anything from slow， velvet-smooth tremolo， to chains jangling in a Chinese gong to classic "outer space" sounds </span></li><li><span class="a-list-item"> The LFO (Low Frequency Oscillator) imparts trills， vibratos， siren effects </span></li><li><span class="a-list-item"> You want unlimited new sounds? Here they are! The Moog MF-102 Ring Modulator is a direct descendant of the original Moog modular synthesizers </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51ilh9-dLUL.jpg" noproxy>