K-Array Low Profile Variable Beam Speaker

K-Array Low Profile Variable Beam Speaker

K-Array Low Profile Variable Beam Speaker

B&H # KAKJ50VB MFR # KJ50VB
K-Array Low Profile Variable Beam Speaker

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Overview
  • 1Description

The K-Array Low Profile Variable Beam Speaker features an ultra-slim profile, substantial output capability, and smooth frequency response over the full vocal range. It has the capability to switch-select the horizontal coverage pattern and to vary the vertical coverage through DSP control. The KJ50vb Speaker is specifically designed to work with the KA7-7 4-channel power amplifier.

The KA7-7 provides discrete preset DSP control settings for speaker protection, equalization, vertical beam width, and steering capabilities. This speaker system is capable of operating with other power amplifiers and DSP control systems.

Horizontal coverage can be selected using the 4 x switches located on the back of the speaker cabinet. These can be set for Spot 10° or Flood 100°. The switches can be safely activated while the speaker is receiving signal. (Please note the Safety Warning regarding hearing damage). The Combined Mode allows you to select a combination of Near and Far Field Coverage.

Vertical coverage is controlled by DSP settings in the KA7-7 Amplifier from 70° wide to 10° narrow. In Narrow mode, the vertical focus can be adjusted by +/- 15°.

A ceiling line array configuration is an application of the Low Profile Variable Beam Speaker. Because of its very thin profile, this speaker is suitable for low-ceiling venues. The vertical steering capability means that the speaker does not need to be located directly overhead but can be positioned off the stage or dance floor.

The horizontal line array configuration is another application of the Low Profile Variable Beam Speaker. Up to 4 speakers can be driven and controlled by a single KA7-7 Amplifier. The cabinets should be positioned together and switched to the horizontal spot position.

Selectable horizontal coverage
Variable vertical coverage from external DSP control
+/- 15° focus area
Multiple 2.00" (5.08cm) long excursion full-range drivers
Smooth frequency response
Electronically protected
High dynamic range capability
High-quality components for enhanced performance
Ultra-thin frame for invisible installation
Available in black or white
Ultra strong steel shell
Weatherproof, suitable for outdoor installations- IP54
Used in TV stage monitoring, live stage monitoring, ceiling PA or monitor installations, permanent installations, under balcony applications, theatrical sound reinforcement, concert halls, clubs, and houses of worship, installed audio-visual systems, cinema surround sound and effects
Compliant with the applicable CE standards and regulations
RoHS compliant
In the Box
K-Array Low Profile Variable Beam Speaker
  • Limited 2-Year Warranty on Parts & Labor
  • Table of Contents
    • 1Description
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    Specifications
    Acoustics
    Power Handling 4 x 150 W (AES)
    Power 4 x 200 W (Maximum)

    Maximum RMS applicable power for a musical signal, the reference signal is the one proposed by EIAJ standard.

    Impedance 4 x 16 Ω (spot mode), 4 x 8 Ω (flood mode)
    Frequency Range 150 Hz to 20 KHz
    SPL 98 dB
    124 dB continuous, 130 dB peak (Maximum)

    Measured at 13.12'(4.00 m) then scaled at 3.28' (1.00 m)

    Horizontal Selectable: Spot (10°) / Flood (100°)
    Vertical DSP dependent 10° narrow to 70° wide, +/- 15° variable focus in Narrow mode
    Crossover
    Type External Crossover required
    Frequency 150 Hz, 24 dB/oct suggested minimum
    Transducers
    Full Range Drivers 36 x 2.00" (5.08 cm) neodymium magnet 0.75" (1.91 cm) VC long-excursion speakers
    Audio Input
    Connector 1 x 8-pin Speakon NL8 input
    1 x 8-pin Speakon NL8 thru
    Wiring (1+ 1-) = Channel 1 (Near field) (2+ 2-) = Channel 2 (Mid-near field)
    (3+ 3-) = Channel 3 (Mid-far field) (4+ 4-) = Channel 4 (Far field)
    Switches
    Coverage 4 x switches for spot-flood coverage selection
    Amplifier
    Type The K-array KA7-7 amplifier can drive up to 4 x KJ50vb speaker systems in parallel (with dedicated preset).
    Physical
    Dimensions 19.80 x 17.05 x 2.40" (50.30 x 43.30 x 6.10 cm)
    Weight 22.5 lb (10 kg)
    Packaging Info
    Package Weight 35.274 lb
    Box Dimensions (LxWxH) 2.697 x 2.205 x 0.61"

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