ATC SCM0.1/15

An ATC "SL" Subwoofer Designed to Complement the Pro Range Monitors

The SCM0.1/15 PRO SUB fits within ATC's studio monitoring approach: a low-frequency reproduction that remains clear, controlled, and usable for decision-making. The "SL" designation here refers to a comprehensive performance-oriented specification, with a 15-inch driver designed to deliver bass capable of supporting main studio listening. In a control room, the goal is not to add "flattering" bass but to extend the bandwidth and improve the perception of the foundation (kick, sub, low midrange) to better judge overall balance, dynamics, and transients.

Developed to integrate naturally into an ATC Pro system, this subwoofer aims for coherence in sound and level with speakers such as the SCM50ASL Pro and SCM100ASL Pro. It thus becomes a low-frequency control tool, useful both in mixing and post-production, where bass precision directly affects translation on other listening systems.

For Which Studios and Applications Is the ATC SCM0.1/15 PRO SUB Intended?

This active subwoofer is primarily aimed at professional studios, mixing rooms, mastering suites, and post-production environments that want to secure their decisions below 80 Hz without losing low-mid definition. With its level capability and high continuous SPL, it suits rooms where work is done at realistic levels and where a subwoofer capable of keeping up with main monitors-not just nearfields-is needed.

The SCM0.1/15 PRO SUB is also relevant for engineers who switch between "full range" control and more limited listening: by adjusting the crossover frequency and gain, you tailor the subwoofer's contribution to your workflow (sub verification, resonance management, infrasonic control, kick impact, bass-kick coherence). The phase adjustment facilitates alignment with the speakers to avoid dips or peaks around the crossover region, a key point for clean and reliable bass.

Integration Settings and Active Design: Mastering the Low End

Phase Adjustment, Variable Gain, and Variable Crossover Frequency

Integrating a subwoofer in a studio depends as much on placement as on settings. ATC provides essential controls to optimize the crossover: phase adjustment to align the sub with the main speakers, variable gain to precisely set the bass level, and variable crossover frequency to adapt the transition point according to your speakers, room, and calibration. These parameters are crucial for achieving bass that extends the response without artificially boosting the 50 to 120 Hz range.

1000 W Active Amplification and Built-in Protection

With 1000 W active amplification, the SCM0.1/15 PRO SUB is designed to maintain control and precision during demanding passages (808s, drum hits, sound design, synth bass). The overload protection section, based on a momentary gain reduction, aims to maintain stable operation when the requested level becomes extreme. This approach helps preserve bass clarity over time, particularly useful in long sessions at sustained volumes.

Stereo Inputs and Monitoring-Oriented Filtering

The stereo inputs facilitate insertion into common monitoring chains. The filtering is described by the manufacturer as a damped critical order, a term highlighting a focus on control and stability in the crossover region. Practically, the goal is to limit smearing effects and preserve transient perception, so the subwoofer remains a decision-making tool rather than just a sensation enhancer.

Technical specifications

Bluetooth

No

Low-frequency driver (LF)	375 mm (15 inches)	Input connectors	male XLR
Specification	full "SL" for 15-inch / 375 mm bass driver	Input sensitivity	1 V
Amplitude linearity (+/-2 dB)	30 Hz to 300 Hz	Input impedance	balanced, greater than 10 kOhm
Crossover frequency (-6 dB, standalone)	20 Hz	Controls	phase adjustment, variable crossover frequency, variable gain
Maximum continuous SPL (at 1 meter)	118 dB	Overload protection	momentary gain reduction via active FET
Amplifier	1000 W, Class A	Panel indicator	power on indicator
Amplifier output	1000 W bass	Dimensions (H x W x D)	631 x 580 x 580 mm
Filters	damped critical order	Weight	90 kg
Inputs	stereo	Warranty	6 years