ATC SCM45A Pro Dual 6,5″ 3-way

3-way active monitors

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SKU: atc4C Category:

Description

The ATC SCM45A Pro is an active 3-way with a 1″ dual-suspension Super Tweeter, a 3″ soft-dome midrange driver, and two 6.5″ short-coil carbon-paper cone bass drivers. The system is amplified by a custom, discrete MOSFET Class A/B tri-amp pack.

Ideally suited to critical near-field listening applications in all control rooms, LCR surround monitoring in medium control rooms and surround channels in medium-to-large contol rooms

The design takes notes from the highly-regarded ATC midrange dome by utilising a dual-suspension design, negating the requirement for Ferro-fluid, and avoiding the detrimental effects of this drying out over time, a feature considered to be of utmost importance for longterm consistency

ATC SCM45A Pro Specifications:

  • Drivers: HF 25mm soft dome, Mid 75mm soft dome, LF 6.5″/164mm short-coil carbon paper cone
  • Amplitude Linearity (±2dB): 74Hz-17kHz
  • Cut-off Frequencies (-6dB, free-standing): 47Hz-22kHz
  • Dispersion: ±80° Coherent Horizontal, ±10° Coherent Vertical
  • Max. Continuous SPL (1 metre): 109dB
  • Audio Input: Rear panel mounted female xlr (pin 2 +)
  • Input Sensitivity: 1V rms (ref. full output)
  • Input Sensitivity Trim: 0dB to -6dB/1V – 2V (continuously variable via rear panel trimmer)
  • Input Impedance: Balanced > 10kΩ
  • Amplifier Output Power: Bass 150W rms, Mid 60W rms, High 25W rms
  • Crossover Frequencies: 380Hz & 3.5Khz
  • Crossover Filters: 4th order critically damped with phase compensations
  • Low Frequency Boost: 0dB to +3dB at 40Hz (continuously variable via rear panel trimmer)
  • Overload Protection: Active FET momentary gain reduction
  • Dimensions (HxWxD): 264 x 430 x 369mm (10.4˝ x 16.9˝ x 14.5˝).  Handles add an 39mm/1.5″ to depth.
  • Weight: 30kg / 66lbs (per cabinet)
  • Manual here

 

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Additional information

Weight 10 kg