Description
Experience the Synergy and Sound of Active Bookshelf Speakers Entirely Built In-House in England: Featuring MOSFET Amps and an XLR Input, ATC SCM20ASL Play with Command, Clarity, Power, and Balance
Sound. Simplicity. Synergy. Style. The ATC SCM20ASL active bookshelf speakers combine all four traits in unforgettable fashion on a two-way design conceived to surpass the performance and engineering of any comparable active model on the market. The renowned British company achieves that goal by way of the in-house-manufactured mid-bass driver, high-frequency driver, and amplifier — features that are practically unheard-of in this product segment. The end result is sincerely exceptional music reproduction marked by commanding control, elevated clarity, and phenomenal dynamic range. All ATC hallmarks, all here in spades.
Intended for modest-sized rooms and measuring 17.69 x 9.81 x 16.19 inches (HWD), the British-made SCM20ASL can be placed without sonic compromise in small areas and even close to walls. Inside, a six-inch SB75-150SL mid-bass driver with a three-inch voice coil and short-coil motor assembly with proprietary SL motor technology complements and one-inch SH25-76S soft-dome tweeter with dual suspension and a high-energy 2/1 Tesla motor. Add second-order analog Linkwitz Riley crossovers and a pair of Class A/B MOSFET power amplifiers to the equation, and you get playback distinguished with utmost efficiency, timing, and tonal balance. SCM20ASL further benefits from the fact one amplifier is dedicated to each drive unit, with 200W and 50W of continuous power, respectively, delivered to the bass and high-frequency drivers.
Featuring the first cabinets built at ATC’s new factory, SCM20ASL includes a rear-panel mounted XLR input as well as user controls for input sensitivity and low-frequency shelf cut/boost. The former lets you tailor the input gain to suit your source/preamplifier setup, while the latter allows you to adjust the bass response to suit your room and loudspeaker position. Built by hand in England to ATC’s renowned standards, SCM20ASL comes with a six-year warranty and more than 50 years of expertise from one of the most preeminent speaker manufacturers in the world.
For more information, or answers to any questions about SCM20ASL, drop us a line at 312-433-0200.
Please note: SCM20ASL has one XLR input. No RCA or digital inputs are on this active speaker.




