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Faithful to the signal, the new C1 Subwoofer design will generate deeper, cleaner bass in the sub-$3,500 market.

C1 Sub Mk2 45 Deg

Las Vegas, NV, November 21, 2019 – Built to provide a dynamic low-distortion bass foundation for ATC’s Entry Series speakers, its C1C and C3C center speakers, HTS Series on-wall speakers and all but the largest satellite speaker systems, the new C1 Sub Mk 2 is a compact real wood veneered design, incorporating a hand-built 12” (314mm) ATC bass driver and a fully discrete ATC 200W MOSFET power amplifier.

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Designed for both music and cinema applications and replacing the Mk1 version, the new C1 Sub promises a quality of low frequency reproduction that belies its price point. The re-engineered design incorporates ATC’s customarily transparent circuits boosted by larger power supplies, the latest ATC grounded- source 200 watt Class A/B discrete MOSFET power module and improved overload protection circuitry (with front-panel indicator) for greater control at full output. The low-pass filter circuits have been comprehensively re-worked to facilitate the best possible integration with partnering speakers from ATC and other manufacturers.

Controls include a continuously variable low pass filter, a continuously variable all-pass filter and polarity switch, speaker level L/R inputs, independent L/R RCA line inputs and a summed line output RCA connector to facilitate the daisy-chaining of multiple subwoofers.

C1 Sub Mk2 Rear

C1 Sub Mk2 Front

Retained by the Mk2 C1 subwoofer is the hand-built 12″ ATC bass driver using a massive motor assembly and 3″ ribbon voice coil. It’s precision pairing with the new C1 Sub amplifier will deliver clean and dynamic low frequencies down to 25Hz (-6dB). ATC recommends that a single C1 Sub partners ATC speaker models up to the SCM19 and HTS11, and that two subs partner SCM40 and HTS40 (although not essential in all room sizes).

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The C1 Sub is available now in four real wood finishes: Cherry, Black Ash, Satin Black, Satin White to match Entry Series speakers, center speakers and HTS Series on-wall products.

Enhanced by ATC’s traditionally robust engineering and scrupulous attention to detail, the new C1 Sub Mk2 active subwoofer will generate a reliably accurate performance over a very long life, backed by ATC’s standard six year warranty.

C1 Sub Mk2 Specifications:

  • Driver 12” / 314mm
  • LF Cut Off Frequency (-6dB) 25Hz
  • Max SPL 103dB
  • Amplifier Output 200W
  • User Controls Gain, Low Pass Frequency, Polarity, Phase
  • Inputs Stereo High Level via Binding Posts & Stereo Line Level via RCA/Phono
  • Outputs Mono Summed Line Level via single RCA/Phono
  • Dimensions (HxWxD) 450 x 360 x 400 mm / 17.72” x 14.17” x 15.75” (incl. feet and heatsink)
  • Weight 26.2kg

ATC C1 Sub Mk2
Availability: Immediately – November 2019, U.S. retail price: $3,499

C1 Sub Mk2 Side

C1 Sub Mk2 30 Deg

LONE MOUNTAIN AUDIOAbout LONE MOUNTAIN AUDIO / ATC U.S. Located in Las Vegas, Nevada, Lone Mountain Audio is the exclusive U.S. distributor for ATC Loudspeakers for the Hi-Fi and CI (custom integration) marketplaces providing sales, marketing, customer service and full support for all ATC loudspeaker products.

About ATC U.S. ATC, Acoustic Transducer Company stands alone, hand building one speaker at a time for one person, while the rest of the industry focuses on building thousands of units to supply mega-stores. ATC is still owned by founder Billy Woodman, who comes to work everyday to keep inventing new drivers, new speakers, and new technologies. Once you hear ATC music reproduction done right, you’ll understand what Dolby Laboratories, Lenny Kravitz, Tom Petty, Pink Floyd, Diana Krall, Tom Petty, Jack White, Blackbird Studios, Alan Myerson, Shawn Murphy and so many more recording artist have chosen ATC’s for decades.