L-Acoustics KARAi ลำโพง 2-way modular WST enclosure installation version.

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Modular WST line source

• Compact and lightweight design, compliant with rigging and sightline constraints
• Extended LF resources for contour requirements from flat to medium
• Clarity, intelligibility and precision for vocal, speech and lead instruments
• 110° horizontal directivity for distributed applications, fills and central clusters
• LA-RAK (LA8) advanced system drive and protection
• Discreet and accurate rigging system
• White and architectural RAL color available (KARAi)

WST® Technology - Variable Curvature

L-ACOUSTICS^® pioneered the field of modern line source array as early as 1993 with the introduction of Wavefront Sculpture Technology on the legendary V-DOSC^® system.

Based on physical rules developed by Heil and Urban (AES 1992) the WST^®theory defines five criteria for design and use of true line source arrays.

At the heart of Wavefront Sculpture Technology is the internationally-patented DOSC^® waveguide, which morphs the spherical wavefront of the HF driver into a cylindrical, isophasic wave.

In combination with WST^®, coplanar symmetry - the equivalent of coaxial assembly for HF, MF and LF drivers in vertical arrays - provides a coherent wavefront over the entire horizontal coverage at all frequencies. This behaves as if the sound was radiated by a single, continuous and articulated ribbon.

Any line source featuring L-ACOUSTICS^® elements respects the coplanar symmetry and all WST^®criteria on the entire sonic spectrum. This allows an exceptionally coherent sonic signature in very long throw applications, beyond the limits of other systems.  L-ACOUSTICS^® has been designing reference line array systems for more than 15 years.

Variable curvature, modular (KIVA and KARA)

Modular line sources offer tremendous flexibility for both the installation market and rental applications. Both KIVA and KARA® systems are designed to combine a compact, high performance and lightweight enclosure with a dedicated companion LF extension (KILO, SB15m, SB18) delivering the necessary LF resources when a reinforced contour is desired.

Variable curvature, large format (KUDO, V-DOSC, K2 and K1)

These systems are particularly suited to large format installations and touring applications for which a reinforced LF contour is desirable. The touring systems rely on the Rental Network K platform featuring the LA-RAK plug-and-play amplification, signal processing and signal distribution rack. The amplified controllers and Network Manager deliver a “right out of the box” contour adjustable with Array Morphing to obtain an homogeneous signature in complex system configurations.

Modular WST line source

• Compact and lightweight design, compliant with rigging and sightline constraints
• Extended LF resources for contour requirements from flat to medium
• Clarity, intelligibility and precision for vocal, speech and lead instruments
• 110° horizontal directivity for distributed applications, fills and central clusters
• LA-RAK (LA8) advanced system drive and protection
• Discreet and accurate rigging system
• White and architectural RAL color available (KARAi)

  Usable bandwidth  (-10dB)	55 Hz - 20 kHz ([KARA] preset)
  Nominal Directivity (vertical line source)  (-6dB)	Horizontal: 110° symmetric Vertical: Dependent upon number of elements and line source curvature
  Maximum SPL	139 dB ([KARA] preset)
  RMS handling capacity	LF: 450 W HF: 80 W
  Components	LF: 2 x 8’’ neodymium HF: 1 x 3’’ neodymium diaphragm compression driver Nominal impedance: LF = 8 ohms, HF = 8 ohms
  Rigging	Steel, certified for: 12 KARAi (BGV-C1 compliant) Angle increments: 0, 1, 2, 3, 4, 5, 7.5, 10°
  Physical data	W x H/h x D: 713 x 250/186 x 380 mm - 28.1 x 9.8/7.3 x 15 in Weight (net): 23.5 kg - 51.7 lbs Connectors: 2 x 4-point Speakon® Material: Baltic birch plywood Finish: Grey-brown RAL 8019® (KARAi) or Pure white RAL 9010® (KARAiW) Front: polyester powder-coated steel grill, Airnet® acoustically neutral fabric Protection rating: IP45 Rigging: Steel with zinc and polyester powder dual coating
  Drawings