Empirical Labs Pump 500-Series Compressor

Empirical Labs

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Product Code: 3942
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The Empirical Labs Pump 500-Series Compressor that has taken the DNA of the Distressor and distilled it into a single 500 space package at an affordable price.

The Pump is a single-channel, 500 series rack mount Compressor that’s loaded with the kinds of features and performance you’ve come to expect from ELI. This fully analog design has serious heritage and shares family DNA with notable ELI processors that include the renown Distressor, Arousor, and Mike-E products. The Pump is destined to be a “go-to” processor for the creative audio pro with a tool assortment built upon no compromise performance, quality, and value.

The Pump is simple, concise, and smart looking, with all the right controls and indicators in all the right places. This Compressor stands tall in the ELI family. Starting at the top, there’s an Input trim with clip indicator; 8 selectable compression ratios from 2:1 to 20:1 and everything in between; independent digitally stepped controls for precise recall of Attack and Release selections — including a soft Opto-Coupler style Release. Use the 70Hz High Pass Filter to minimize LF buildup; engage the soft clip function and relish the subtle and harmonious treatment of saturated signals. The unit includes comprehensive Gain Reduction metering and Attack Modification (AtMod) functions to slow the initial onset of the attack envelope and preserve more transient content for greater overall impact — with a Bypass selection to go dry. Brilliant! The final stage, Make Up Gain, brings track level up to balance and blend with the mix perfectly. We’re proud to say the Pump has overachiever traits. Afterall, just look at the family!

Empirical Labs Pump 500-Series Compressor Features

  • VCA style compressor circuit
  • 8 ratios from 2:1 to 20:1
  • Stepped attack and release knobs for easy recall
  • Attack time ranging from 200µs to 40ms
  • Release time ranging from 50ms to 500ms
  • Soft-clipping saturation
  • AtMod (Attack Modification)
  • Switchable Detector HP

Empirical Labs Pump 500-Series Compressor Specifications

  • Frequency Response: 5Hz to 175kHz
  • Dynamic Range: 125dB from max output (0.5%THD soft clipping) to minimum output
  • Noise Floor: -101dBu typical with output @ 0
  • Distortion: 0.0035% to 15% @ 1kHz, mode and configuration dependent
  • I/O: +22dBm maximum input before hard clip. +28.5 dBm maximum output
  • Compressor Type: VCA in the David Blackmer style. Distressor like detector and envelope generator
  • Compressor Ratios: 2:1, 3:1, 4:1, 6:1, 8:1, 10:1, 12:1, 20:1
  • Detector High Pass: Select @ 70Hz
  • Attack Modification: Like performance to the Arousor plug-in
  • Chassis: 500 Series, single slot
  • Supply Voltage: 500 Series standard ±16v, 100mA

Empirical Labs Pump 500-Series Compressor Includes

  • Empirical Labs Pump 500-Series Compressor
  • Manufacturer Warranty

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