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ATC introduce SCM25A Pro Mk2

Updated monitor design with new HF driver

ATC SCM25A Pro Mk2 three-way active professional studio monitor dome mid-range and tweeter

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.

New 1-inch/25mm soft-dome Tweeter

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. 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 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 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.

Mids, Lows, & Amps

Frequencies 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. 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.

Power is delivered courtesy of a three-way Class A/B amplifier mounted on the rear of the cabinet. Each drive unit benefits from its own individual amplifier, with crossover duties carried out by fourth-order Linkwitz-Riley filters. 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. As with the cabinet and drivers, the amplifiers used in the SCM25A Pro Mk2 are designed and manufactured in-house by ATC. 

Balanced inputs are available on XLR sockets, with users able to adjust input sensitivity, and introduce a low-frequency boost of up to 3dB from controls on the rear panel. Power is accepted on a standard IEC mains inlet.

“We feel the new tweeter lifts the capability of the SCM25A Pro Mk2 to a higher level, retaining the outstanding balance of the monitor, but extending the high-frequency response and reducing distortion to really help lower-level detail in the high-frequency band cut through. This will greatly aid faster decision-making and outstanding translation outside of the studio.” - Richard Newman, ATC R&D Manager

Key Specs

  • Low-frequency cut-off: 47Hz (-6dB, anechoic)
  • High-frequency cut-off: 25kHz (-6dB)
  • Max SPL: 109dB continuous / 115dB peak (Per pair, IEC Weighted Pink Noise, 1m, anechoic)
  • Dimensions: 271 x 430 x 411 mm (height x width x depth)
  • Weight: 25.1kg

We reviewed the original SCM25A Pro in the May 2013 issue of SOS, click here to take a look.

Pricing & Availability

The SCM25A Pro Mk2 will be available from 1st March 2023, priced at £7075 excluding VAT per pair.

https://atc.audio/professional/loudspeakers/scm25a-pro-mk2/

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