Cosmotronic Messor - Analog Stereo Compressor.

Experience precise, musical compression with Messor, a fully analog stereo feed-forward VCA compressor designed for studio, modular, and live systems. Derived from the original Cosmotronic eurorack module, Messor offers extended headroom, improved channel matching, and a refined sidechain topology for wide dynamic range control.

Key Features

• Fully Analog VCA Compression: Stereo feed-forward architecture delivers predictable transient behavior and stable stereo imaging.

• High Headroom Design: 12 V regulated power rail handles high-transient sources like synthesizers, drum machines, and percussion without premature clipping.

• Flexible Dynamics Control: Continuously variable attack (3100 ms) and release (30 ms2 s) for fast transient control or program-dependent compression. Ratio control ranges from subtle compression to full limiting.

• Sidechain Options: Mono-summed sidechain includes switchable 6 dB/oct high-pass/low-pass filter and accepts external CV/audio or stereo sources for kick-docking or advanced shaping.

• Parallel Compression: Analog wet/dry mix allows true parallel compression without external mixers.

• Premium Audio Path: Built with high-quality op-amps, film capacitors, and thin-film resistors for low distortion and high sonic fidelity.

Technical Specifications

• Power: 9 V or 12 V DC, 500 mA, any polarity

• Dimensions: 120 mm 94 mm 55 mm

• Weight: 500 g

• Inputs: 1/4 Jack MONO or STEREO

• Outputs: 1/4 TRS Balanced

Messor is ideal for mix-bus compression, sound design, modular gain management, and live electronic reinforcement. While not specifically designed for guitar or bass chains, it integrates seamlessly with diverse audio sources, delivering wide dynamic range, low distortion, and musical compression in any professional audio setup.