Dynamics Processor with Attitude!"...if you don't fondle it's controls properly it will cause you hours of confusion and tempt you to dash it against the rocks or put it in a sack and drown it."Engineer Jon Paul was brought on board to tame the beast and the "black-face" Omnipressor was born. It has been used on hundreds of hit records throughout the last four decades and many of the original units are still in service and cherished. One of our first customers was a young Brian May, lead guitarist of Queen. With the Omnipressor in his rig, his sound was never the same again. Features Dynamics processing for creating otherwordly soundsVariable control of attack and release timeVariable control of maximum gain and maximum attenuation Function control sets ratio over a continuous range from extreme expansion to infinite compression and beyond to dynamic reversalDozens of presets to help you explore the unique and inspirational sounds of the tool used on countless hit records Audio Videos Original Data Sheet - 1974"Some of the unusual capabilities of the unit are illustrated in the graph below."