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ATC SCM150ASL Pro 3-way active monitors (Pair)

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ATC SCM150ASL Pro 3-way active monitors (Pair) - Front

The ATC SCM150ASL Pro has become increasingly popular for larger studios in recent years. Best described as SCM100s with a fifteen inch rather than a twelve inch bass driver, the 150s are starting point for what I would describe as ATC Main Monitors. Plenty of manufacturers make monitors in this (£10K+) price range but most struggle in comparison with the SCM150s; a true, accurate and meaty pro monitoring rig.

£13,525.00 ex VAT £16,230.00 inc VAT

UK List Price: £13,525.00 ex VAT

UK List Price: £16,230.00 inc VAT

Availability: Contact us for delivery

ATC SCM150ASL Pro : 3 way active monitors


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"After we unpacked the speakers for the first time, I put on 'Say a Little Prayer' by Aretha - I cried listening to the beauty of the performance, the song, the recording and the sound coming out of the speakers. Simply - the 150's are the finest speakers I've ever heard. They make me connect with the music better than anything I've ever worked on."


Since the demise of Boxer, I see no reason to look further than ATC when determining main monitors, particularly where quality rather than price is the overriding concern. But don't take my word for it...ATC main monitors feature in many of the best new studios built in the UK over the last decade, including David Gilmour's Astoria and Mark Knopfler's stunning British Grove Studios.

Definitely the first choice where quality is all.

An overview of the ATC SCM150ASL Pro
As multi-channel systems increases in popularity, it is easy to forget that the basic stereo pair of speakers at the front of the listening area remains an essential element.

Existing libraries of recorded music, the commitment of recording companies to stereo in its current form, and the new high resolution digital two-channel formats indicate that stereo will continue to be the main source of recorded music for the foreseeable future.

For these reasons ATC still regards the main stereo speaker pair as the foundation on which a high performance multi-channel system can be built. The new innovative T16 two-way active monitor is an ideal way to establish that foundation.

The SCM150ASL Pro is a further development of the SCM100ASL Pro, substituting a larger 375mm Super Linear bass driver, increasing the enclosure size to 150 litres. The result is extended bass, greater headroom and even more dynamic range.

Features of the ATC SCM150ASL Pro

  • 25mm soft dome tweeter.
  • Full "SL" spec 15"/375mm bass driver.
  • ATC 75mm "Super Dome" mid driver.
  • On board ATC grounded plane 350W Tri-amplifier.
  • LF contour control.
  • Clip indication.
  • 6 year warranty.

Specifications of the ATC SCM150ASL Pro

  • Drivers : HF 25mm, Mid 75mm, LF 375mm
  • Amplitude Linearity (±2dB) : 60Hz-17kHz
  • Cut-off Frequencies (-6dB, free-standing) : 25Hz, 22kHz
  • Horizontal Dispersion : ±80°, Coherent
  • Vertical Dispersion : ±10°, Coherent
  • Max. Continuous SPL (1 metre) : 117dB
  • Crossover Frequencies : 380Hz, 3.5kHz
  • Input Connectors : Male XLR
  • Input Sensitivity : 1V
  • Input Sensitivity Trim : ±6dB
  • Input Impedance : Balanced > 10kΩ
  • Amplifier Output : Bass 200W, Mid 100W, High 50W
  • Filters : Even Order Critically Damped
  • Overload Protection : Active FET momentary gain reduction plus thermal tweeter protection
  • Front Panel Indicators : Power On indicator, Gain Reduction warning
  • LF EQ : +6dB @ 40Hz
  • Dimensions (HxWxD) : 884 x 498 x 568mm (34.8" x 19.6" x 25.5") Depth with amplifier at rear adds 3"
  • Weight : 75kg / 165lbs