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ATC C4 MK2 Sub

$8,750.00
GC_HiFi

My name is Terry, and I’m the owner of GC HiFi, based in Arundel on the Gold Coast. Hi-fi isn’t just my business — it’s my hobby and passion. I offer private, by-appointment demos in a relaxed environment. Let’s have a chat — 0418 691 294

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ATC C4 MK2 Subwoofer

ATC Speakers and Hifi components are now available in Queensland and Northern NSW's. Please contact Terry at GC HiFi on 0419448452 to arrange a private listening session from the current list of demo speakers we have on hand for auditions.

World renowned for its signature high output, low-distortion audio engineering and trusted by musicians, studios, live sound engineers and audiophiles over five decades, The Acoustic Transducer Company (ATC) proudly introduces the C4 Sub Mk 2 active subwoofer system. Designed to unite the highest standards of driver and electronics engineering in a single system, the C4 Sub Mk 2 deploys the all-new proprietary 12-inch SS75-314SC sub-bass driver, powered by a newly developed 300W class AB amplifier design, both elements hand-built and installed within a substantial cabinet at the company’s Stroud-based production HQ.

Features

  • Proprietary dedicated at sub bass driver.

  • On board 300W Misfit Class A/B amplifier.

  • Ideal partner to SCM19, SCM20, SCM50 and SCM100.

  • Variable low pass filter, adjustable gain, low pass frequency, polarity and phase settings.

  • Stereo, home cinema and AV applications compatible.

  • Hand-built in England, 6 year warranty. 

ACOUSTIC SPECIFICATIONS

  • Drive Unit – Bass: 1 x SS75-314SC 8Ω

  • Low Frequency Cut-of f: 22Hz (-6dB, half space, low pass f ilter set at 80Hz).

  • Low Pass Filters: 50Hz, 65Hz, 80Hz, 320Hz. (-6dB, 4th order Linkwitz Riley).

  • MaxSPL: 110dB continuous, 116dB peak (IEC Weighted Pink Noise, 1m, half space, low pass filter @ 80Hz).

  • Sensitivity: +4dBu ref. 88dBC (single channel driven, Gain +6dB, Level 0dB, pink noise, low pass filter @ 80Hz).

ELECTRONIC SPECIFICATIONS

  • Amplifier type: Grounded Source MOSFET based Class A-B, convection cooled.

  • Output Power: 300W in to 8Ω.

  • THD+N: <0.003%/-90dB, at 100Hz, 300W into 8Ω over 90kHz bandwidth.

  • Balanced Inputs: 2 x Rear Panel Mounted Female XLR, pin 2 hot.

  • Input CMRR: 90dB at 200Hz.

  • Input Impedance: 20kΩ (differential).

  • Balanced Outputs: 2 x Rear Panel Mounted Male XLR, pin 2 hot.

  • Output Impedance: 100Ω (differential).

  • Frequency Response: <2Hz (-3dB) – 320Hz (-6dB, set by panel-controlled LP filter).

  • Low Pass Filters: 4th Order Linkwitz Riley

  • Gain Control: 0, +6dB, +10dB.

  • Level Control: 0dB -11dB in 1dB steps. Total range 21dB with use of Gain switch.

  • Phase Control: 0 -180° ref. Input.

  • Polarity Control: In-phase/Out-of-phase ref. Input .

  • Limiter: ATC Active FET Momentary Gain Reduction.

  • Sensitivity: 1.55Vrms for full power (single channel driven, Gain 0dB, Level 0dB)

  • Mains Input: 220-230V or 115V – Factory set. Please observe panel markings and labels!

  • Power Consumption: Idle 8W/14VA. 1/8th Power 170W/230VA. Full Power 500W/600VA.

  • Additional: Mute via ¼”/ 6 .35mm Jack socket , controlled via latching footswitch*.
* Footswitch supplied separately, latching type, ¼”/6.35mm jack connection.

PHYSICAL SPECIFICATIONS

  • Net Weight: 42kg

  • Dimensions: HxWxD 568x464x500mm

Cabinet Finish: Standard Cherry, Black Ash, Walnut and Oak real-wood veneers, as well as Satin Black and Satin White finishes, or in premium Rosewood, European Crown Cut Walnut, Burr Magnolia and Pippy Oak real-wood veneers, with the option of high gloss over veneers and black/white piano lacquers also available.