ATC Improves its 2-Way Active Reference Monitor

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ATC Improves its 2-Way Active Reference Monitor

Sep 5, 2014 12:16 PM

LAS VEGAS� TransAudio Group, U.S. rep for ATC and other boutique professional audio companies, introduces the ATC SCM20ASL Pro MkII near-field reference monitor.

Like its predecessor, the ATC SCM20ASL Pro, the MkII is a two-way active loudspeaker that is intended for critical near-field applications or as surround channels in larger systems. Its neutral output extends across the audible spectrum and is now improved by a new amplifier design, an ATC-made dual suspension tweeter and a new cabinet design.

The Pro MkII is based around the ATC 6.5-inch �Super Linear� LF driver with integrated midrange, utilizing the same SL technology developed for the larger nine-, twelve- and fifteen-inch based monitors. Constructed with a 75mm/three-inch voice coil and a short-coil, long-gap topology, it combines the high-power handling and low-power compression with the resolution and balance of high fidelity systems.

The new dual-suspension 25mm tweeter offers lower distortion, higher output, and greater reliability. The electronics in the active design have also had development time invested, resulting in reduced noise and distortion and a reduced operating temperature. The amplifier design is a revised version of the company''s MOSFET Class A/B design with 200W and 50W continuous power available for the bass and high-frequency sections, respectively. The user controls have also been improved to help achieve good balance in difficult acoustic conditions. The amplifier includes protection circuits for both DC offset and thermal overload.

The cabinet has been restyled to more closely follow the larger monitors and is constructed from heavily braced MDF. Highly damped, elastomeric panels are bonded and stapled to the cabinet''s inner walls to suppress panel resonances, while the enclosure''s front panel is heavily radiused to reduce cabinet diffraction.

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