Heritage Audio Successor; Stereo Bus Compressor; analog bus and master compressor with transformer-coupled inputs and outputs; 1073-inspired preamp circuit with Carnhill transformers and diode bridge circuit for a vintage sound character; ultra fast attack and release times; versatile sidechain path with 5 selectable hipass and peak filter curves; stepped Blend control for parallel compression; stepped controls for Threshold; Ratio, Attack, Release and Gain Makeup; per channel: audio input / output (XLR) and sidechain send / return (6.3 mm jack); Frequency response: 20Hz to 20kHz; Threshold: 20 to 20 dBu; Ratio: 1.5:1 to 20:1; Attack: 50µs to 20ms; Release: 25ms to 400ms, 2x Auto programm dependend; Sidchain filter: off, High-pass: 80, 160, 5000 Hz, Peak, 1k, 3kHz; Gain makup: 0 to 10 dB, steps of 2 dB; incl. Heritage Audio Successor Plugin (download after registration); Power requirements: 100 - 240 VAC (external, universal PSU); Dimension: 19", 1 U