L-Acoustics dV-DOSC Line Array Loudspeaker

L-Acoustics dV-DOSC Line Array Loudspeaker

The dV-DOSC Line Source element has an operating frequency bandwidth from 65 Hz to 20 kHz and this response can be lowered down to 35 Hz with the addition of the dV-SUB low frequency extension cabinet. The dV-DOSC® system is a 2-way, bi-amplified design and is equipped with 2 x 8” speakers in a bass-reflex tuned enclosure. The HF section features a 3” diaphragm driver coupled to a DOSC® waveguide. The V-shaped coplanar transducer configuration generates a symmetric horizontal coverage of 120° without secondary lobes over the entire frequency range. The combination of coplanar symmetry and DOSC® waveguide in the HF region allows the system to fulfil the 5 WST® criteria, thereby allowing the wavefront of a dV-DOSC line source to be curved up to a maximum of 7.5° for each element without breaking the inter-element acoustic coupling. The dV-DOSC® enclosure heart is made of first grade Baltic birch plywood with top and bottom aluminum plates to ensure maximum acoustical and mechanical integrity. The 4-point rigging system allows flying up to 24 dV-DOSC®. The dV-DOSC® system is driven by the dedicated LA8 amplified controller which ensures active system linearization, intelligent transducer protection, and optimization.

Features:

• Active 2-way enclosure (2 x 8" LF, 1.4" HF)
• WST-based line source design
• Perfect coupling, predictable coverage
• Adjustable vertical directivity (up to 7.5°)
• Designed for high performance touring and fixed installation
• Excellent for medium and long throw applications
• Coplanar symmetry (120° horizontal directivity)
• Ergonomic, fast, secure rigging system
• OEM factory presets for approved digital processors

Specifications:

• Frequency Response
  • Frequency response 160 - 18k Hz (±3 dB) (2W 75HI preset)
  • Usable bandwidth 100 - 20k Hz (-10 dB)
• Sensitivity
  • LF (2.83 Vrms @ 1m): 99 dB SPL, 100 - 800 Hz
  • HF (2.83 Vrms @ 1m): 109 dB SPL, 800 - 18k Hz
• Power Rating(Long Term)/Amplification(Recommended)/Impedance(Nominal)
  • LF 55 Vrms 380 Wrms 1520 Wpeak - 760 W - 8 ohms
  • HF 23 Vrms 66 Wrms 260 Wpeak - 260 W - 8 ohms
• Nominal Directivity (-6dB)
  • Horizontal: symmetrical, 120°
  • Vertical: defined by the array
• System Output/Continuous SPL(flat array)/Continuous SPL(maximum curvature array)
  • One enclosure - 127 dB - 127 dB
  • Two enclosures - 133 dB - 131 dB 15°, vertical coverage
  • Four enclosures - 139 dB - 135 dB, 30° vertical coverage
• Components
  • LF: 2 x 8" weather-resistant loudspeaker (2" voice coil)
  • HF: 1 x 1.4" neodymium compression driver mounted on custom DOSC waveguide and acoustic lens
• Enclosure
  • Width: 695 mm 27.4 in
  • Front height: 257 mm 10.1 in
  • Rear height: 171 mm 6.7 in
  • Depth: 476 mm 18.7 in
  • Trap angle: 2 x 3.75°
  • Shipping dims:
    • 800 x 360 x 560 mm
    • 31.5 x 14.2 x 22 in
  • Weight (net): 31.8 kg 70.1 lbs
  • Shipping weight: 35 kg 77.2 lbs
  • Connectors: 2x 4-pin Neutrik speakon
  • Material: 15 mm, 24 mm Baltic birch plywood, aluminum top and bottom plates
  • Finish: Maroon-gray™
  • Grill: Black epoxy perforated steel with acoustically-transparent foam
  • Rigging: Integrated flying hardware and handles