ATC SCM20ASL PRO MK2 – Two-way active monitor (Pair)



The ATC SCM20ASL PRO MK2 is a compact, active, 2-way studio monitor featuring the same ATC built woofer and tweeter found in the  SCM20PSL speaker. The low frequency sections woofer has a 150mm bass cone and a grafted 75mm soft dome for improved mid range. The tweeter of the ATC SCM20ASL are ferro fluid free so will last a lifetime of listening.

On the rear panel of the ATC SCM20PSL is a panel which allows for separate amplification of the bass, mid and high frequency drivers. ATC Speakers are found in some of the leading studio’s all around the world and the ATC SCM20ASL’s do not disappoint!



  • Compact very high performance 2-way studio monitor ideally suited to:
    – critical near-field listening applications in all control rooms
    – LCR surround monitoring in small-to-medium control rooms
    – surround channels in medium-to-large control rooms
  • Proprietary ATC 150mm/6” Super Linear Mid/Bass Driver
  • Proprietary ATC 25mm/1” S-Spec Tweeter
  • Discrete MOSFET class A/B bi-amp pack with 200W/50W
    continuous power output


ATC SCM20ASL PRO MK2 Speaker Specifications

  • Drive unit – Low Frequency (LF): 6.5”/150mm Super Linear with 75mm/3″ voice coil (SB75-150SL 8 Ohm)
  • Drive unit – High Frequency (HF): 1”/25mm dual suspension Soft Dome (SH25-76S 6 Ohm)
  • Amplitude Linearity (±2dB): 80Hz-20kHz
  • Cut-off Frequencies (-6dB, free-standing): 55Hz, 25kHz
  • Horizontal Dispersion: ±80°, Coherent
  • Vertical Dispersion: ±10°, Coherent
  • Max. Continuous SPL (1 metre): 108dB
  • Crossover Frequency: 2.1kHz
  • Audio Input: Rear panel mounted female xlr (pin 2 +)
  • Sensitivity Input: 1V
  • Input Sensitivity Trim: -12dB (1V – 4V)
  • Input Impedance: Balanced > 10kΩ
  • Amplifier Output: Bass 200W, High 50W
  • Filters: 2nd Order Critically Damped
  • Overload Protection: Active FET momentary gain reduction
  • Front Panel Indicators: Power On indicator, Gain Reduction warning
  • Dimensions (HxWxD): 450 x 250 x 392mm (17.72˝ x 9.84˝ x 15.43˝)
  • Weight: 23.4kg / 51.6lbs


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Additional information

Weight 0.1 kg


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