L-Acoustics ARCS Loudspeaker

Active 2-way loudspeaker meeting Wavefront Sculpture Technology Criteria, containing one 15” loudspeaker and a 1.4” exit (3” voice coil) high frequency compression driver mounted on a DOSC waveguide, 22.5 degree by +40 / -20 degree (asymmetrical) coverage.

Specifications:

• Frequency Response:
  • 63 - 18k Hz +/- 3 dB
  • 50 - 20k Hz (-10 dB)
• Sensitivity (2.83 Vrms @ 1m):
  • LF: 98 dB SPL (63 - 800 Hz)
  • HF: 109 dB SPL (800 - 18k Hz)
• Nominal Impedance:
  • LF: 8 ohms
  • HF: 8 ohms
• Power Rating:
  • LF: 54 Vrms 375 Wrms 1500 Wpeak
  • HF: 29 Vrms 100 Wrms 400 Wpeak
• Amplification:
  • LF:
    • 750 W minimum (8 ohms)
    • 1500 W minimum (4 ohms)
    • 2250 W minimum (2.7 ohms)
  • HF:
    • 400 W minimum (8 ohms)
    • 800 W minimum (4 ohms)
    • 1200 W minimum (2.7 ohms)
• System Output:
  • 1 enclosure: 128 dB (continuous, unweighted, 1 m, 2WLO preset)
  • 2 enclosures: 133 dB (continuous, unweighted, 1 m, 2WLO preset)
  • 4 enclosures: 137 dB (continuous, unweighted, 1 m, 2WLO preset)
• Nominal Directivity:
  • 22.5° horizontal (symmetrical)
  • 60° vertical (asymmetrical: 20° down x 40° up)
• Components:
  • LF:
    • 1 x 15" weatherproof loudspeaker
    • (bass-reflex loaded, 3" voice coil)
  • HF:
    • 1 x 1.4” compression driver mounted on DOSC waveguide and lens
• Material: Baltic birch plywood (15, 18 and 24 mm). Sealed, screwed and rabbeted angles, internally braced cabinet construction
• Finish: Maroon-gray
• Grill: Black epoxy perforated steel with acoustically transparent foam
• Features: Integrated flying hardware, handles
• Dimensions : 820 mm (Height) x 440 mm (Front) x 190 mm (Rear) x 652 mm (Depth) (32.3" x 17.3" x 7.5" x 25.7”)
• Weight: 57 kg (125.7 lbs)