Solid State Logic 729743X2 - THE BUS+ 2-Channel Bus Compressor and Dynamic Equalizer

Ultimate SSL Bus Compression with Advanced Processing
THE BUS+ is Solid State Logic’s most advanced iteration of the legendary SSL Bus Compressor, combining the iconic analog compression circuit with modern enhancements for superior dynamic control. Designed for everything from individual tracks to full mixes and mastering applications, THE BUS+ introduces four modes of operation, three distinct compression coloration options, and a powerful two-band dynamic equalizer (D-EQ). Whether you want the transparent compression of SSL’s X Logic, the punch of the 4K console’s “Hit Maker” mode, or flexible parallel compression, THE BUS+ is engineered to meet the demands of today’s most discerning producers and engineers.

Four Modes of Operation for Maximum Flexibility
THE BUS+ offers four distinct modes, ensuring it adapts perfectly to any mixing or mastering scenario. Classic Stereo mode delivers the familiar SSL glue, while Stereo S/C introduces a summed sidechain for even response across the stereo field. Dual Mono mode allows independent processing of left and right channels, and Mid-Side mode lets you tailor compression separately for the center and sides of the mix. This flexibility makes THE BUS+ a go-to tool for both surgical precision and broad-stroke mix enhancement.

Signature SSL Compression with Creative Enhancements
The classic SSL Bus Compressor circuit has been refined with additional features to expand its versatility. A new LOW THD mode reduces harmonic distortion for clean and controlled compression, while the F/B mode changes the compression behavior to a more relaxed, musical response. 4K mode injects the character of SSL’s 4000 Series console, introducing harmonic saturation and single-VCA operation for a more aggressive, analog-driven sound. Negative compression ratios provide unique pumping effects, allowing creative dynamics shaping that goes beyond traditional compression techniques.

Dynamic EQ for Adaptive Tone Shaping
One of THE BUS+’s standout features is its built-in dynamic EQ (D-EQ), a powerful tool for balancing the relationship between different frequency elements in a mix. This 2-band parallel dynamic equalizer allows you to expand or compress frequency ranges with selectable time constants, making it perfect for controlling harshness in vocals, tightening low-end response, or subtly enhancing the presence of a mix. The HF band can be switched to a bell shape for precision sculpting, and G-Series mode changes the LF filter behavior to introduce a second-order response with subtle undershoot and overshoot characteristics.

Precision Control with Digital Stepped Pots
While THE BUS+ remains fully analog in its audio circuitry, it employs digitally controlled, recall-friendly stepped potentiometers for precise and consistent settings. This ensures reliable recall for mix revisions and A/B comparisons, allowing engineers to maintain accuracy across multiple sessions. The moving-coil gain reduction meters provide an intuitive visual reference for compression levels, while the mix knob makes parallel compression adjustments effortless.

External Sidechain and Customizable Processing Order
For even greater control over compression response, THE BUS+ features external sidechain inputs and sends, allowing integration with external EQs or multi-band processing tools. A variable high-pass filter up to 300 Hz prevents low-frequency pumping and maintains mix integrity. The unit also offers configurable processing order, enabling you to place the Bus Compressor before or after the dynamic EQ, adapting to different workflows and sonic goals.

Designed for Modern Studios with Unmatched Headroom
THE BUS+ boasts an impressive +27.5 dBu of headroom, accommodating high-level signals with ease. With selectable operating levels of 0, +10, or -5 dB, it integrates seamlessly into any professional studio environment. Additional features include global bypass, clipping indicators, and an automatic sleep mode for energy efficiency. Whether used on drum busses, stereo mixes, or mastering chains, THE BUS+ delivers unparalleled SSL sound with cutting-edge functionality.