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ATC 'SCS120 Pro' and 'SCS120iW Pro': New Flagship 15"/375 mm Active Subwoofers
ATC 'SCS120 Pro' and 'SCS120iW Pro': New Flagship 15"/375 mm Active Subwoofers
British specialist manufacturer of loudspeaker drive units and complete sound reproduction systems ATC (Acoustic Transducer Company) has officially released the SCS120 Pro and SCS120iW Pro, its new flagship 15"/375 mm active subwoofers designed to elevate professional monitoring to the next level. Engineered to complement ATC's larger mid-field and main monitors, these models deliver exceptional low-frequency extension, wider dynamic range, and seamless integration for stereo, surround, and immersive environments, including Dolby Atmos.
Building on the success of the SCS70 Pro and SCS70iW Pro 12"/300 mm models, the new units feature a newly developed, hand-built 15"/375 mm sub-bass driver manufactured at ATC's facility in Stroud, Gloucestershire, UK. Every component—from motor structure to suspension—has been optimized using the latest analysis tools at both small- and large-signal levels. The advanced transducer design combines a high-power short-coil motor system with enhanced airflow and cooling, paired with a carbon-paper composite cone. The result is clean, controlled bass from 120 Hz down to below 20 Hz, with extremely low distortion and impactful response.
Unlike many subwoofers that depend on heavy electronic EQ, the SCS120 Pro and SCS120iW Pro achieve extended low-frequency performance through precision transducer engineering and a slightly increased cabinet volume. This approach reduces phase shift and group delay, enabling smoother, more natural integration with full-range monitors and delivering deeper bass without compromising clarity in the upper bass region.
The SCS120iW Pro provides identical performance in a flush-mount design with a shallower enclosure and recessed connector panel. Its companion R1-300 Pro remote 7U/19" amplifier enables flexible installation in-wall, in a control room rack, or a machine room, with NL4 and 5-pin XLR connections.
Ideal system pairings include SCM100ASL Pro, SCM110ASL Pro, and SCM150ASL Pro monitors, while performance scales smoothly to SCM200ASL Pro and SCM300ASL Pro systems. Multiple units can be deployed to enhance response in large rooms and immersive setups.
Immersive formats such as Dolby Atmos place significant demands on bass systems, and the SCS120 series delivers substantial performance gains over the SCS70 Pro and the outgoing SCM0.1/15SL Pro, particularly in dynamic headroom and low-frequency extension. These improvements are especially beneficial for post-production and immersive environments where LFE (Low Frequency Effects) content requires high output, low distortion, and reliable control.
With advanced driver technology, improved amplification, and expanded dynamic capability, the SCS120 Pro and SCS120iW Pro establish a new reference point in ATC's Professional Product range for engineers working with mid- to large-format monitors and high-demand low-frequency applications.
Price SCS120 Pro — £4,575 GBP (excluding VAT) SCS120iW Pro — £5,408 GBP (excluding VAT)
* The price of SCS120iW Pro includes R1-300 remote amp (cables not included). ** Contact authorized ATC distributors and dealers for international availability and pricing here: https://atc.audio/where-to-buy/.
For more information on 'SCS120 Pro' and 'SCS120iW Pro'
About 'ATC' (https://www.atc.audio/professional/) Formed in 1974 by Billy Woodman to manufacture custom drive units for the professional sound industry, ATC (Acoustic Transducer Company) is a specialist British manufacturer of loudspeaker drive units and complete sound reproduction systems, including all associated electronic equipment. Such systems and components are designed and built in-house to achieve levels of performance far in excess of the industry norm by adopting a thoroughly professional engineering approach to the issues of basic design, materials science, and production technology. The company's groundbreaking soft-dome mid-range driver technology was originally developed in 1976, revolutionising studio monitoring in the process before becoming recognised as the ultimate mid-range transducer for both domestic and professional applications. After a contract with Danmarks Radio — translating to the Danish Broadcasting Corporation — for an active portable monitor provided the opportunity to integrate the company's then-new SCM50 and SCM100 speakers with a Tri - AmpPack and electronic crossover to create the industry-standard SCM50A and SCM100A as the first reliable and accurate active systems, that technology is still featured in eight of its monitor models today. The SL (Super Linear) technology found in its Professional Series Monitor bass drive units is arguably the most significant development in transducer design in the last 15 years, reducing 3rd harmonic distortion by 10-15dB between 100Hz and 3kHz, epitomising the company's commitment to sound quality. Indeed, its accuracy in reproducing piano and male vocals remains unique. Ultimately, the company's commitment to multi-channel mastering and its direct involvement with leading players in the professional audio industry — including Sony Music and Telarc — has readily resulted in its products being installed in some of the world's most prestigious multi-channel studios and auditoria.
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