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K-array ninja kj50vb User Manual

Variable beam high power speaker system
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REV. A
ENGLISH

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Summary of Contents for K-array ninja kj50vb

  • Page 1 REV. A ENGLISH...

  • Page 3: Table Of Contents

    CONTENTS 1. Introduction p. 5 2. Unpacking p. 5 3. Symbols p. 6 Safety p. 6 5. Warranty p. 7 6. Key Features and Applications p. 7 7. Wiring p. 8 8. Coverage Patterns p. 9 p. 9 8.1 Horizontal switch setting p.

  • Page 5: Introduction

    KJ50vb has the unique capability to switch-select the Horizontal coverage pattern and to vary the Vertical coverage through DSP control. The KJ50vb is specifically designed to work with the K-Array KA7-7 four-channel power amplifier. The KA7-7 provides the discrete pre-set DSP control settings for speaker protection, equalization and the vertical beamwidth and steering capabilities.

  • Page 6: Symbols

    3. SYMBOLS This symbol, wherever it appears, alerts you to This device complies with Restriction of important operating and maintenance istructions Hazardous Substances Directive. in the accompanying literature. Read the manual! Separate collection of electrical and The item meets all the This symbol alerts the user electronic devices.

  • Page 7: Warranty

    K-array KJ50vb are warranted against manufacturing defects in materials or craftsmanship over a period of years from the date of original purchase. During the warranty period K-array will, at it's discretion, either repair or replace products which prove to be defective provided that the product is returned in its original packaging, shipping prepaid, to an authorised K-array service agent or distributor.

  • Page 8: Wiring

    SPEAKER INPUT cabinets. Four amplifier channels are employed. The AMPLIFIER recommended amplifier is CH. 3 & 4 the K-Array KA7-7 four- SPEAKON 2 channel amplifier, which 4-pin speakon supplies 350 watts/channel into a 4 ohm load. The KA7-7 AMPLIFIER h a s...

  • Page 9: Coverage Patterns

    8. COVERAGE PATTERNS 8.1. HORIZONTAL SWITCH SETTING 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.
  • Page 10 MID-FAR FIELD CH 1 NEAR FIELD CH 3 FAR FIELD CH 2 MID-NEAR FIELD CH 4 HORIZONTAL COVERAGE HORIZONTAL COVERAGE FLOOD FLOOD SPOT SPOT CH 1 CH 3 FLOOD SPOT FLOOD SPOT CH 4 CH 2 p. 10...

  • Page 11: Vertical Dsp Setting

    8.2. VERTICAL DSP SETTING 70° 10° Vertical coverage is controlled by DSP settings in the KA7-7 amplifier from 70° ‘ Wide ’ to 10° ‘ Narrow ’ In ‘ ’ Mode the Vertical Narrow focus can be adjusted by +/- 15° 8.3.

  • Page 12: Horizontal Line Array Configuration

    8.4. HORIZONTAL LINE ARRAY CONFIGURATION CH. 1 near field The Horizontal Line Array Configuration is CH. 2 mid- near field another unique application of the KJ50vb. CH. 3 mid-far field Up to four speakers can be driven and controlled CH. 4 far field by a single KA7-7 amplifier.

  • Page 13: Specifications

    9. SPECIFICATIONS KJ50VB Acoustics Speakers power handling 4 x 150 W (AES) Max power 4 x 200 W Impedance Frequency range 150 Hz - 20 KHz SPL 1W/1mt 98 dB Maximum SPL 124 dB continuous - 130 dB peak Coverage Horizontal selectable : Spot (10°) / Flood (100°) Vertical...

  • Page 14: Service

    To obtain service: 1) Contact the official K-array distributor in your country that direct you to the service centre. 2) If you are calling for the service, have the serial number(s) of the unit(s) at hand for reference. Ask for Customer Service, and be prepared to describe the problem clearly and completely.
  • Page 15 Approval K-array declares that this device is in compliance with the applicable CE standards and regulations. Before putting the device into operation, please o b s e r v e t h e r e s p e c t i v e c o u n t r y - s p e c i f i c...
  • Page 16 HP Sound Equipment s.r.l Viale Roma 7/i 50037 San Piero a Sieve (Firenze) Italy tel +39 055 8487222 fax +39 055 8487238 e-mail: info@k-array.com...

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