Midas Compressor Limiter 522 V2

A Modern Compressor Designed for the Series 500 Ecosystem

The Series 500 format has established itself as a studio standard for building a custom processing channel, module by module. This compressor/limiter fits within this logic: studio-quality dynamics in a minimal footprint, perfectly suited for Series 500 racks and chassis. The goal is clear: to provide immediate control over transients and level while maintaining the ergonomics of a true production tool, with direct controls and quick visual feedback via LED display.

Designed and developed in the United Kingdom, this module aims for a balance between precision and musicality: transparent enough for level control, yet capable of imparting a sense of density and presence when pushing gain reduction. Its natural place is in a recording chain (peak control, signal foundation) as well as in mixing (track stabilization, bus cohesion).

Intended Uses and User Profiles

This module is aimed at sound engineers, producers, demanding home studio users, and Series 500-equipped studios looking for a versatile compressor: capable of smoothing vocals, taming bass, controlling rhythm guitar, or solidifying a subgroup. In recording, it helps maintain controlled dynamics before conversion by limiting abrupt level jumps and facilitating mix placement right from the source.

In mixing, it serves as a control and enhancement tool: you can tighten the signal for consistency or adjust attack and release to let transients breathe and preserve impact. The 200 Hz high-pass sidechain filter is especially useful on bass-heavy sources (kick, bass, synths): it reduces the detector's sensitivity to low frequencies and helps maintain a more stable low end without excessive pumping.

Key Features: Speed, Readability, and Character Control

Comprehensive Controls to Shape the Envelope

With dedicated controls for threshold, ratio, attack, release, and gain, the module covers the essentials of a studio compressor: from simple level stabilization to more pronounced compression with a perfectly tailored envelope. The dynamic presence control allows fine-tuning of foreground perception and articulation, useful for helping a vocal stand out, adding clarity to bass, or restoring energy to a track that becomes too flattened by compression.

Auto Mode for Instant Musical Compression

The automatic attack and release function is designed for speed without sacrificing results. It facilitates a natural behavior on changing sources (vocals, acoustic instruments, dynamic playing) by adapting the compressor's response to maintain a sense of fluidity. It's also an excellent starting point: you can engage Auto mode to set the processing, then refine further according to the desired aesthetic.

200 Hz High-Pass Sidechain: Less Pumping, More Stability

The 200 Hz high-pass sidechain filter acts on the detection circuit: instead of "overreacting" to low-frequency energy, the compressor focuses more on the midrange and attack of elements, which prevents overly audible gain reduction triggered by bass. The result is often cleaner on a bus or track with a lot of low end: the signal remains solid while benefiting from effective dynamic control.

LED Display: Faster Settings, More Confident Decisions

The LED level display for gain reduction and output volume speeds up workflow: you immediately see the intensity of compression and the level balance after processing. This dual readout is valuable for objectively comparing before/after and avoiding biases related to simple volume increases, while maintaining control over peaks and density.

Technical specifications

Category

compressor

Controls	threshold, ratio, attack, release, gain, dynamic presence	LED level display	gain reduction, output volume
Automatic function	attack and release	Design and development	United Kingdom
Sidechain high-pass filter	200 Hz