ATC launches C4 Sub MK2 Active Subwoofer system

Designed to unite the highest standards of driver and electronics engineering in a single system, the C4 Sub Mk 2 deploys a new proprietary 12-inch SS75-314SC sub-bass driver powered by a newly developed 300W class AB amplifier design. Both elements are hand-built and installed within a substantial cabinet at the company's Stroud, UK-based production HQ.

The new sub-bass driver is said to be the first to be purpose-built for an ATC sub-bass system developed by the R&D team to reproduce the lowest four octaves of the audio band. To achieve this, the design exploits ATC's signature long-gap/short-coil configuration to its natural limits with an exceptionally long 30mm magnetic gap, surrounded by a 6-inch/150mm N48M Neodymium magnet - the most powerful ever assembled by ATC and a first for the company. 

The company also says the C4 Sub Mk2 delivers an extended low-frequency response "while avoiding electronic equalisation, unlike many subwoofers available today". Instead, the more elegant combination of exceptional transducer engineering and a marginally larger cabinet volume is used. The simplicity of this approach "reduces phase shift and group delay, aiding the integration of the sub with the partnering loudspeakers", say the company.

The all-new 300W class AB design was precisely optimised to the requirements of the new driver, "resulting in fast, dynamic bass with minimal colouration". Two balanced line inputs provide connectivity for stereo or AV/home cinema systems, while two balanced outputs are available to feed partnering 'main' stereo loudspeakers or to 'daisy-chain' multiple subs.

ATC's C4 Sub Mk 2's 70-litre cabinet employs 25mm/1-inch thick panels and heavy bracing. It's available in standard Cherry, Black Ash, Walnut and Oak real-wood veneers, as well as Satin Black and Satin White finishes, or in premium Rosewood, European Crown Cut Walnut, Burr Magnolia and Pippy Oak real-wood veneers, with the option of high gloss over veneers and black/white piano lacquers also available. 

The ATC C4 Sub Mk 2 will be available immediately, and is priced (from) $5,999 USD.

For more information visit ATC