.When you are in the market for sonic color, the used/vintage dynamics page should be your first stop at Sonic Circus. There, you will find a revolving selection of some of the most desirable pro audio compressors, limiters, and gates. Some are truly vintage, and some are pre-owned units that are looking forward to a new life in your studio. Some of our engineering heroes suggest that new sonic coloration can be had by just passing a signal through a compressor - nothing more! Hereʼs your chance to give it a try.