Introducing its SSM (Studio Surface Monitor) series, ATC is proud to announce availability of SSM12i Pro and SSM25i Pro as two new wall-/ceiling-mount passive studio monitors — making use of a shallow cabinet depth, proprietary mounting hardware, and reinforced cabinet to target surround and immersive audio installations, especially those in smaller control rooms — alongside R4-150 Pro, produced as a new four-channel power amp to compliment them, as of January 26…
SSM series speakers feature a very shallow cabinet — SSM12i Pro’s measures just 147mm/5 13/16, while SSM25i Pro’s is only slightly deeper at 198mm/7 13/16 (mounted flat and including the mounting hardware in both cases). The speaker can be configured to mount not only in a vertical (portrait) orientation but also horizontally (landscape) — a valuable feature when ceiling mounted as the acoustic source height is maximised while also creating greater clearance to the users in the control room below them. They also feature a mounting system that fixes flat to a wall or ceiling and allows the cabinet to pivot away from the mounting surface so aiming the speaker towards the listening position, resulting in a superior response and more precise imaging.
As a compact, high-performance passive two-way loudspeaker, SSM12i Pro is built around proprietary drive units designed and manufactured by ATC and operating in a sealed cabinet. ATC’s advanced SB45-150CLD 150mm/6 bass/mid driver is employed at low and mid-range frequencies, featuring a unique CLD (Constrained Layer Damping) cone, which effectively minimises cone breakup. The sealed cabinet design and a new crossover network, optimised via extensive computer modelling and listening tests, are engineered to deliver optimal performance when the loudspeaker is mounted on/close to a hard wall/surface. For frequencies above the 2.2kHz crossover point, ATC’s innovative SH25-76 25mm/1 dual-suspension tweeter ensures precise and transparent reproduction of high-frequency content. Together, these advanced components provide SSM12i Pro with outstanding clarity, balance, and detail, making it a superior choice for demanding audio environments.
For larger spaces, SSM25i Pro delivers exceptional audio quality through a combination of advanced engineering and premium components. It features three proprietary ATC drive units housed in a sealed cabinet design for precise and consistent performance. Utilising a short coil/long gap design and paper/carbon fibre cone, ATC’s SB50-164SC 164mm/6.5 bass driver provides an extended and precise low-frequency output, from 47Hz up to 380Hz. Meanwhile, midrange frequencies are handled by ATC’s renowned SM75-150 75mm/3 midrange dome, celebrated for delivering unmatched clarity and detail — hallowed hallmarks of ATC’s design expertise.
High frequencies above 3.5kHz are reproduced by ATC’s advanced ATC SH25-76S ‘S-Spec’ tweeter. This 25mm/1 soft dome tweeter incorporates a dual-suspension design for enhanced mechanical stability — just like SM12i Pro’s innovative SH25-76 — and allows the coil to operate within the tight tolerance of an air-cooled magnetic gap. As a result of the seamless integration of these drive units within that sealed cabinet design, SSM25i Pro is an ideal choice for multichannel and immersive audio applications in medium to large control rooms, including those requiring Dolby Atmos or other immersive audio setups.
SSM25i Pro — like SSM12i Pro — features an all-new crossover network, engineered to deliver optimal performance when the loudspeaker is mounted on/close to a hard wall/surface.
Specifications for the SSM12i Pro, SSM25i Pro and R4-150 Pro are available on ATC’s SSM12i Pro, SSM25i Pro and R4-150 Pro product pages.
For more information, visit atc.audio.
