Heritage Audio Successor, Stereo Bus Compressor, Analog bus and master compressor with transformer-coupled inputs and outputs, Vintage sound character through 1073-inspired amplifier circuit with Carnhill transformer and diode bridge circuit, Extremely fast attack and release control times, Flexible sidechain path with 5-stage filter with high-pass and peak characteristics, Rasterized blend control for parallel compression, Rasterized controls for Threshold, Ratio, Attack, Release and Gain Makeup, Per channel input and output (XLR) and sidechain send/return (6.3 mm jack), Frequency response: 20 Hz - 20 kHz, Threshold: 20 - 20 dBu, Ratio: 1.5:1 to 20:1, Attack time: 50µs to 20ms, Release time: 25ms to 400ms, Auto circuit for program dependent compression, Side-chain filter high-pass: 80, 160, 5000 Hz, Side-chain filter peak: 1, 3 kHz, Amplification: 0 to 10 dB in 2 dB steps, Power supply: 100 - 240 VAC (external universal power supply), Dimensions: 19"", 1 HE