These have great reviews and add alot to the tone if you select the HFX Process,very versatile Compressor.
Asking $225 shipped to the CONUS.
The 651 audio compressor from Aphex fits into any broadcast, studio, or live sound rig and serves as a great way to compress Tracks. This 1U rack mountable unit delivers intelligent compression to solve audio level problems and improve audio signals. This is a true analog Compressor. Get the most out of your audio with the original Expressor! Attack and Release Threshold Ratio controls for best sound. HFX allows the use of high compression ratios without the loss of high frequencies. SPR increases the apparent bass energy level, without amplitude equalization or bass boost. Use Sidechain Access sends jacks for creative processing (de-essing and ducking). Analog I/O - Fully balanced professional. High Reliability - Famous Aphex Engineering. Balanced Transformerless Inputs and Outputs.