Empirical Labs Pump Classic Knee Compressor

Need an excellent compressor but you’re short on rack space? You can “de-stress” by purchasing the Empirical Labs Pump 500 Series Compressor! Channeling the spirit of the company’s beloved compressor (you know the one), the Pump packs a mighty punch for such a compact size. It’s got an easy-to-read front plate, with knobs for attack, release, input trim, and output make-up gain, plus a continuously variable attack modification (AtMod) knob for shaping transients. There are also buttons for ratio, bypass, and turning on Saturation Mode. Colorful LED indicators also clearly relay information about current ratio and gain reduction, and there’s also a 70Hz HPF plus soft clipper functionality that sounds very musical.

Features:
• 500 Series compressor that packs a ton of value and sound quality
• Attack settings: 200 microseconds — 50 milliseconds
• Release settings: 50 – 600 milliseconds, plus Opto-style auto release
• Ratios: 2:1. 3:1, 4:1, 6:1, 8:1, 10:1, 12:1, and 20:1
• 5Hz – 175kHz frequency response
• Dynamic range of 125dB max output (0.5% THD germanium diode soft clipping)
• Noise floor of -101dBu with Output set to 0
• Detector HP of 70Hz
• Voltage: +/- 16.5V 100mA