Discover the Empirical Labs Pump (Horizontal), a versatile effects processor designed for both seasoned audio engineers and budding producers. This 500-Series API format compressor is engineered to deliver precise control over your sound dynamics, ensuring your tracks shine with clarity and punch. Whether you're looking to tame unruly peaks or add coloration and warmth, this processor has you covered with its comprehensive features and robust build.

At the heart of the Pump lies its adjustable input level, complete with a clip LED, allowing for seamless integration into any setup. Choose from 8 selectable compression ratios ranging from 2:1 to a fierce 20:1, granting you the flexibility to sculpt your sound exactly how you want it. With an attack time adjustable between 200 microseconds to 40 milliseconds, and a release time ranging from 50 milliseconds to 500 milliseconds, you can fine-tune the transient response to suit any musical style.

The Pump also features a switchable 110Hz sidechain high-pass filter and a saturation soft-clipper, perfect for adding a touch of analog warmth. The 13-LED gain reduction meter provides clear visual feedback, ensuring you’re always in control. Additionally, its adjustable attack modification allows for unique transient processing, while the bypass switch offers easy A/B comparison.

With a frequency range from 5Hz to 175kHz, and a dynamic range of 125dB, the Empirical Labs Pump (Horizontal) is not just a tool, but a creative partner for your studio.

Key Features:

• Adjustable input level with clip LED
• 8 selectable compression ratios (2:1 to 20:1)
• Adjustable attack time (200us to 40ms)
• Adjustable release time (50ms to 500ms) with selectable Opto setting
• Switchable 110Hz sidechain high-pass filter and saturation soft-clipper
• Gain reduction meter with 13 LEDs
• Adjustable attack modification for transient processing
• Bypass switch
• Frequency range: 5Hz - 175kHz
• Dynamic range: 125dB
• Max. input/output level: +22dBm / +28.5dBm

Product specs