K-array Ninja kj50vb Bedienungsanleitung

REV. A ENGLISH

CONTENTS

1. Introduction p. 5

6. Key Features and Applications p. 7

7. Wiring p. 8

8. Coverage Patterns p. 9

p. 9

p. 11

p. 12

9. Specifications p. 13

10. Service p. 14

2. Unpacking p. 5

3. Symbols p. 6

Safety p. 6

5. Warranty p. 7

8.1 Horizontal switch setting

8.2 Vertical DSP setting

8.3 Ceiling line array configuration

8.4 Horizontal line array configuration

array

p. 3

Congratulations on your purchase of the K-Array KJ50vb Variable Beam, High Power speaker system.

Along with its ultra-slim profile, substantial output capability and smooth frequency response over the full

vocal range, the 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.

The KJ50vb speaker system is capable of operating with other power amplifiers and DSP control systems.

For these applications please contact K-Array technical support at tech@k-array.com.

Each K-array loudspeaker is built to the highest standard and thoroughly inspected before leaving the factory.

Carefully inspect the shipping carton before opening it, and then examine and test your new loudspeaker. If

you find any damage immediately notify the shipping company. Only the consignee may institute a claim for

damages incurred in shipping. It is suggested that you retain the original packaging so that the system can be

repacked at a future date if necessary.

Please note that K-array and its distributors cannot accept any responsibility for damage to any returned

product through the use of non-approved packaging.

2. UNPACKING

1. INTRODUCTION

Variable Beam High Power Speaker System

p. 5

3. SYMBOLS

This symbol, wherever it appears, alerts you to

important operating and maintenance istructions

in the accompanying literature. Read the manual!

Separate collection of electrical and

electronic devices.

For information about the disposal of

Wa s t e E l e c t r i c a l a n d E l e c t r o n i c

Equipment (WEEE), please refer to the

website at

www.scanning.datalogic.com

This symbol alerts the user

t o t h e p r e s e n c e o f

recommendations about

p r o d u c t ' s u s e a n d

maintenance.

This device complies with Restriction of

Hazardous Substances Directive.

The item meets all the

e s s e n t i a l " H e a l t h a n d

Safety" requirements of the

r e v e l a n t E u r o p e a n

Directives.

4. SAFETY

It is important that loudspeaker systems are used in a safe manner.

Professional loudspeakers are capable of producing extremely high sound levels and should be used with

care. Hearing loss is cumulative and can result from levels above 90dB if people are exposed for a long

period.

Never stand close to loudspeakers driven at high level.

Ensure that the floor or stage is level and solid.

Be aware that speakers producing very high power levels can move or creep. To avoid this, place friction

material between the floor and speaker.

: Suspending the system should only be done by qualified personnel following safe rigging

practices. Secure fixings to the building structure are vital. Seek help from architects, structural engineers or

other specialists if in any doubt.

WARNING

Do not operate the speaker for an extended period of time with the sound distorting. This is an indication of

malfunction, which in turn can cause heat to generate and result in a fire.

p. 6

5. WARRANTY

K-array KJ50vb are warranted against manufacturing defects in materials or craftsmanship over a period of

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. K-array cannot be held

responsible for defects caused by unauthorised modifications, improper use, negligence, exposure to

inclement weather conditions, act of God or accident, or any use of this product that is not in accordance with

the instructions provided by K-array.

K-array is not liable for consequential damages.

This warranty is exclusive and no other warranty is expressed or implied.

This warranty does not affect your statutory rights.

years

To obtain warranty service contact your dealer or distributor for repair or placement.

Selectable horizontal coverage

Variable vertical coverage from

external DSP control. +/- 15° focus area

Multiple 2" long excursion full-range drivers

Smooth frequency response

Electronically protected

High dynamic range capability

Top quality components for outstanding

performance

Ulra- thin frame for invisible installation

Available in white

6. FEATURES & APPLICATIONS

TV stage monitoring

Live stage monitoring

Ceiling PA or monitor installations

Permanent installations

Under balcony applications

Features Applications

p. 7

2 x parallel IN/OUT

8-PIN SPEAKON

AMPLIFIER

CH. 1 & 2

SPEAKON 1

AMPLIFIER

CH. 3 & 4

SPEAKON 2

SPEAKER

INPUT

7. WIRING

CH 1,2 OUT

CH 3,4 OUT

CH3+

CH1+

CH2+

CH3-

CH1-

CH2-

CH4+

CH4-

CH1

CH2

CH3

CH4

2- 3+ 3-

8-pin speakon

4-pin speakon

8-pin speakon

Signal input to the KJ50vb is

vi a an 8 -p in S pe ak on

connector with a parallel

w i r e d T h r u o u t p u t f o r

extending to additional

cabinets. Four amplifier

channels are employed. The

recommended amplifier is

the K-Array KA7-7 four-

channel amplifier, which

supplies 350 watts/channel

into a 4 ohm load. The KA7-7

h a s D S P p r e s e t s

specifically designed for the

K J 5 0 v b , i n c l u d i n g t h e

Vertical focus and steering

features. The wiring is via 2 x

4-pin Speakon connectors.

See the wiring diagram.

To c o n n e c t t o o t h e r

amplifiers follow the same

p i n c o n f i g u r a t i o n .

For use with other DSP

controllers contact tech@k-

array.com

p. 8

HORIZONTAL COVERAGE

CH 3

CH 4

MID-FAR FIELD

FAR FIELD

CH 4

CH 3

SPOT

FLOOD

SPOT

FLOOD

HORIZONTAL COVERAGE

CH 2

NEAR FIELD

MID-NEAR FIELD

CH 1

CH 2

CH 1

SPOT

FLOOD

SPOT

FLOOD

HORIZONTAL COVERAGE

CH 3

CH 4

MID-FAR FIELD

FAR FIELD

CH 4

CH 3

SPOT

FLOOD

SPOT

FLOOD

HORIZONTAL COVERAGE

CH 2

NEAR FIELD

MID-NEAR FIELD

CH 1

CH 2

CH 1

SPOT

FLOOD

SPOT

FLOOD

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. (Please note the

Safety Warning regarding hearing

damage).

The combined Mode allows you to

select a combination of Near and

Far Field Coverage.

p. 9

HORIZONTAL COVERAGE

CH 3

CH 4

MID-FAR FIELD

FAR FIELD

CH 4

CH 3

SPOT

FLOOD

SPOT

FLOOD

CH 2

CH 1

HORIZONTAL COVERAGE

NEAR FIELD

MID-NEAR FIELD

CH 1

CH 2

SPOT

FLOOD

SPOT

FLOOD

p. 10

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