ATC SCM20PSL MK2 2-Way Passive Monitor (Pair)


  • Back Order 8-12 weeks
  • 25mm soft dome HF unit
  • Full “SL” spec ATC bass driver with integral 75mm soft dome
  • 9kg precision machined and optimised motor assembly
  • LF contour control
  • Heavily damped Aluminium cabinet
  • 6 year warranty
  • Made in UK
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Got an excellent amp already? Introducing the new ATC passive SCM20PSL Pro loudspeakers. Maintaining the strict performance criteria of ATC reference monitors, the SCM20PSL offers project and residential studios the dynamic range and pristine imaging ATC is understood for worldwide.

Designed to suit within the company’s highly-regarded line of speakers, the ATC “Passive 20” features an equivalent ATC built woofer and tweeter because the active (SCM20ASL) version of the speaker. The SCM20PSL passives are housed during a conventional “pro-black” box for straightforward placement on any meter bridge.

ATC recommends amplifiers with a minimum of 75W-300W per channel of power. The Passive 20 loudspeaker enables ATC speaker fans to have a high performance monitor at half the worth of the actives.

The SCM20PSL Passive low-frequency section may be a hybrid design incorporating a 150mm bass cone with a grafted 75mm soft dome for mid-range assist. The woofer magnet assembly utilizes ATC’s unique “SL” technology to greatly reduce third harmonic distortion and reveal mistakes and details. The tweeters are ATCs new dual suspension high powered tweeters. they are doing not use ferro fluid for cooling so will last a lifetime. A newly redesigned crossover ensures a smooth transition across all frequencies. All ATC drivers are manufactured in-house to exacting tolerances and are legendary for their many design innovations.


  • Compact very high performance passive 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” Dual Suspension ‘S-Spec’ Tweeter
  • Wide, even dispersion

Drivers: LF 6.5”/150mm Super Linear, HF 1”/25mm Dual-Suspension ‘S-Spec’ Tweeter
Amplitude linearity : 80Hz – 20kHz (+/-2dB)
Cut-off frequencies : 55Hz – 25kHz (-6dB freestanding)
Dispersion : +/-80° coherent horizontal, +/-10° coherent vertical
Maximum continuous SPL : 108dB (per pair @ 1m)
Crossover frequency : 2.5kHz
Recommended Amplifier Power: 75 to 300 Watts
Nominal Impedance : 8 Ohm
Connectors : 2 x Pairs Binding Posts/4mm Plugs – Bi-Wireable
Cabinet Dimensions (HxWxD) : 450x250x294mm (17.7″x9.8″x11.6″)
Weight : 18kg/39.7lbs (per cabinet)


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