FET peak limiters are in place to reduce amplifier hard-clipping, with their activation displayed by a change of colour on the front panel power LEDs. Each drive unit benefits from its own individual amplifier, with crossover duties carried out by fourth-order Linkwitz-Riley filters. Power is delivered courtesy of a three-way Class A/B amplifier mounted on the rear of the cabinet. Taking over below 380Hz is a 6.5-inch/160mm proprietary bass driver which utilises a carbon-loaded paper cone along with a short-coil motor. Mids, Lows, & Ampsįrequencies between 380Hz and 3.5kHz are taken care of by ATC’s acclaimed three-inch/75mm soft-dome mid-range driver, a unit that features in eight of their Pro range monitors, delivering the clear and revealing mid-range detail that the company have become renowned for. The company claim that this makes for a narrower magnetic gap, resulting in higher magnetic flux and allowing the unit to offer an extended high-frequency response whilst lowering third harmonic distortion. The tweeter is a 1-inch/25mm soft-dome design which, unlike almost any other alternative on the market, employs a dual-suspension system designed to better support and control the coil and dome motion. The unit is manufactured in-house by ATC with their usual no-compromise approach to engineering, and has been used since 2015 in a number of the company’s other products, including the SCM110A Pro and SCM150A Pro. The headline feature of the Mk2 is the inclusion of ATC’s own SH25-76S high-frequency driver, which will take the place of the OEM unit used in the current model. British loudspeaker experts ATC have announced the upcoming release of the SCM25A Pro Mk2, an updated and improved version of their popular compact three-way active monitor.
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