Warm Audio BUS-COMP – VCA Console-Style Bus Compressor
OVERVIEW
The Warm Audio BUS-COMP captures the iconic sound of classic “G-series-style” console bus compression, delivering the cohesion, punch, and polish heard on countless professional recordings. Designed with a 100% analog signal path and premium components, it brings the unmistakable feel of large-format consoles into any modern studio setup.
“This mix-bus compressor is almost as good as it gets. After you hear its CineMag transformers in action, you’ll be running as much audio as possible through the unit in search of beautifully enhanced tone. A warm reception indeed… This classic style of VCA compression is perfect for providing just the right amount of glue to solidify your mix. The Bus-Comp achieves this effortlessly and, with the transformers engaged, applying its own wonderful sonic signature.” — MusicTech
At its core are THAT 2180 VCAs, the same high-performance components found in top-tier consoles and outboard gear, ensuring smooth, musical compression with exceptional headroom and clarity. Engage the CineMag USA transformers to introduce rich harmonic saturation and analog depth, or bypass them for a cleaner, more transparent sound — giving you tonal flexibility to suit any mix.
With features like a selectable high-pass filter to control low-end response, an external sidechain for advanced processing techniques, and a dedicated A/B switch for instant comparison, the BUS-COMP offers both precision and creative control. Whether used on the stereo bus, drum groups, or vocal stacks, it delivers the professional “glue” that defines modern, radio-ready mixes.
KEY HIGHLIGHTS
Classic Console “Glue” for Modern Mixes
The Warm Audio BUS-COMP recreates the signature compression of legendary large-format consoles, adding cohesion, punch, and polish to your mixes.
Premium VCA Compression Engine
Equipped with THAT 2180 VCAs, the BUS-COMP delivers smooth, musical compression with high headroom and precision control.
CineMag Transformer Colour
Engage USA-made CineMag transformers to add harmonic richness, depth, and subtle saturation — or bypass for a cleaner signal path.
Flexible Sidechain & HPF Control
Shape how the compressor reacts with a selectable high-pass filter and external sidechain input, perfect for advanced mixing techniques.
True Analog Signal Path
Built with discrete analog circuitry and premium components, ensuring authentic tone, reliability, and professional performance.
FEATURES
- VCA console-style bus compressor
- THAT 2180 VCAs for premium compression performance
- CineMag USA transformers with selectable engagement
- Selectable high-pass filter (30, 60, 105, 125, 185 Hz)
- External sidechain input for advanced processing
- Compressor engage switch for A/B comparison
- Discrete 100% analog op-amp stage
- Suitable for stereo and mono sources
- XLR and TRS connectivity
- Designed for mix bus, drums, vocals, and instruments
- Hand-tested for quality assurance
- 5-year warranty
TECHNICAL SPECS
Product & External Specs (Per Channel)
Product Type: VCA console-style bus compressor
Op-amp Stage: Selectable discrete op-amp stage
High-Pass Filter:
- 30 Hz
- 60 Hz
- 105 Hz
- 125 Hz
- 185 Hz
Compressor Control: Engage switch for A/B comparison
Operation: Stereo and mono compatible
Connectivity: XLR & TRS
Chassis Depth: 9.5” (23.75 cm)
Warranty: 5-year warranty
Components & Internal Specs (Per Channel)
VCAs: THAT 2180 VCAs
Transformers: CineMag USA transformers
Circuitry: Discrete 100% analog op-amps
Performance Specs (Per Channel)
Noise: < -90 dBu
Headroom: > +29 dBu (20Hz – 20kHz)
Dynamic Range: > 120 dB
Frequency Response: 18 Hz – 22 kHz
THD + Noise (20Hz – 20kHz, +20 dBu input): < 0.05%
Input Impedance: 10k Ohms
Output Impedance: 50 Ohms












