The ATC SCS70 Pro stands as a powerful 12-inch (300mm) active subwoofer, meticulously crafted to meet the stringent demands of audio and music experts. It seamlessly integrates with ATC’s lineup of active monitors, ensuring an unparalleled audio experience. With its remarkable performance and advanced features, this subwoofer excels in a variety of applications, including stereo setups, multi-channel surround sound systems, and immersive audio formats like Dolby Atmos.

Key Features

  • ATC Hand-Built Driver: High-excursion 12”/300mm SS75-314SC subwoofer driver.
  • High SPL Capability: Exceptional balance of high SPL capability, low cut-off, and low distortion.
  • Discrete MOSFET Class AB Amplifier: ATC discrete MOSFET class AB power amplifier.
  • Stereo Inputs and Outputs: Stereo balanced inputs & stereo ‘Link’ balanced outputs.
  • User Controls: Level, Low-Pass Frequency & Phase user controls.
  • Remote Muting: Remote muting via footswitch*.
  • Hand-Built in England: Covered by a 6-year warranty.
  • Footswitch: Supplied separately, latching type, ¼”/6.35mm jack connection.

Acoustic Specifications

  • Drive Unit – Bass: 1 x SS75-314SC 8Ω.Ω
  • Low Frequency Cut-off: 22Hz (-6dB, half space, low pass filter @ 80Hz)
  • Low Pass Filters: 50Hz, 65Hz, 80Hz, 320Hz. (-6dB, 4th order Linkwitz Riley)
  • Max SPL: 110dB continuous, 116dB peak (IEC Weighted Pink Noise, @ 1m, half space, low pass filter @ 80Hz)
  • Sensitivity: +4dBu ref 88dBC (single input driven, @ 1m, 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 into 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
  • Balanced Outputs: 2 x Rear Panel Mounted Male XLR, pin 2 hot
  • Frequency Response: <2Hz (-3dB) – 320Hz (-6dB, set by panel-controlled LP filter)
  • 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
  • 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 (supplied separately)

Physical Specifications

  • Dimensions (HxWxD): 568 x 464 x 500mm / 22 5/16 x 18 1/4 x 19 11/16 inches (heatsink protrudes a further 40mm / 1 9/16 inches from rear)
  • Net Weight: 44kg / 97lbs