XQP Audio 541 500 Series Opto Compressor
There are two small chips on the edges of the VU meter, other than that it is in excellent shape. Extremely high quality build, good job XQP. Very straightforward, great sounding compressor: attack is fixed at 30 mSec, release is at 200 mSec, the ratio is 3:1. I’m downsizing my collection of optos