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ATC C1 second gen sub

ATC-CI-Mk2-F~B

ATC’s 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 with a £1,650 asking price. Built to provide a dynamic low-distortion bass foundation for ATC’s Entry Series speakers, its C1C and C3C centre speakers, HTS Series on-wall speakers and all but the largest satellite speaker systems, the C1 Mk2 is designed for both music and cinema applications. Promising 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. Retained by the Mk2 C1 sub is the hand-built 12″ ATC bass driver using a massive motor assembly and 3″ ribbon voice-coil. Its 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 speakers up to the SCM19 and HTS11. The C1 Sub is in four real wood finishes: cherry, black ash, satin black and satin white to match Entry Series speakers, centre speakers and HTS Series on-wall products. 

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