K-array KR400S Manuale utente

USER MANUAL - english version

KR400S

PRELIMINARY

CONTENTS

PRELIMINARY

SYMBOLS 6

1. INTRODUCTION (KL21ma and the KR400S system) 8

2. APPLICATIONS 8

3. KEY FEATURES 9

4. UNPACKING 9

5. WARRANTY 9

6. SAFETY 10

7. PHYSICAL 11

8. AMPLIFIER 13

8.1 AC POWER CONNECTOR 13

8.2 VOLTAGE REQUIREMENT 13

8.3 CURRENT REQUIREMENT 13

8.4 REAR PANEL 14

8.5 POWER CONNECTOR WIRING 15

8.6 AUDIO INPUT CONNECTOR WIRING 15

8.7 AMPLIFICATION AND PROTECTION CIRCUITRY 16

9. SYSTEM CONFIGURATION ON THE FLOOR 17

10. HANGING INSTALLATION INSTRUCTIONS 25

10. DSP CONTROL & REMOTE CONTROL 28

10.1 CLONER FUNCTION & PRESET SYSTEMS 29

11. REMOTE CONTROL SOFTWARE 29

12. PRESETS DIAGRAMS 38

13. SERVICE 41

14. KR400s TECHNICAL DETAILS 42

This symbol alerts the user to the presence of recommendations about product’s

use and maintenance.

This symbol, wherever it appears, alerts you to important operating and

maintenance instructions in the accompanying literature. Read the manual!

Warning! Dangerous voltages: RISK of electric shock.

K-array declares that this device is in compliance with the applicable

CE standards and regulations. Before putting the device into operation,

please observe the respective country-specic regulations!

WEEE

Please dispose of this product at the end of its operational lifetime by

bringing it to your local collection point or recycling centre for such

equipment.

This device complies with Restriction of Hazardous Substances Directive.

SYMBOLS

PRELIMINARY

KR400S

PRELIMINARY

1. INTRODUCTION (KL21ma and the KR400S system)

The KR400S is a high performance ultra-slim powered two way system designed for small to

medium wavefront systems, in both mobile and installed applications.

The KR400S includes two KR400 satellites and 2 KL21ma powered subwoofers.

The KL21ma features a 2500 watt 21” drive unit with neodymium magnet structure and

suspension engineered for maximum linear excursion. Its ultra-light reex cabinet is tted with

four pocket handles and one 35mm pole mounting point for easy installation of the satellite

speakers.

The KR400S features a line array of 24 x 3” high efciency neodymium magnet drivers

enclosed in an ultra-strong chassis, to ensure high resistance and durability in the most

demanding working conditions.

Thanks to its true line array technologies and powerful DSP system, the KR400S achieves

outstanding power and coherence throughout the intended coverage allowing a wide dynamic

range and faithful sound reproduction.

All the components are designed by the K-array R&D department and are custom made and

tested by the K-array quality control system.

KR400S

2. APPLICATIONS

• Theatrical sound reinforcement

• Concert halls, clubs, houses of worship

• Portable and installed audio-visual systems

• Cinema and special effects

KR400S

PRELIMINARY

3. KEY FEATURES

• Unique performance-to-size ratio

• High power 132dB continuous, 138dB peak

• Fitted with integral handles

• Line array emission wavefront

• Integrated mounting system

• Full Aluminum ultra strong frame

• DSP on board with 16 dedicated presets

• Remote PC control software (RS485)

• Ultra fast set-up and dismantling system

4. UNPACKING

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

leaving the factory. Carefully inspect the shipping carton, then examine and test your new

loudspeaker. If you nd any damage, immediately notify the shipping company. Only the

consignee may institute a claim procedure regarding the system’s electronic equipment.

5. WARRANTY

K-array systems are warranted against manufacturing defects in materials or

craftsmanship over a period of 2 years from the date of original purchase. During the

warranty period K-array will, at its 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 authorized K-array service agent or distributor. K-array cannot be held

responsible for defects caused by unauthorized modications, improper use, negligence,

exposure to inclement weather conditions, acts of God or accidents, 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.

10 PRELIMINARY

KR400S

6. 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 an extended period.

• Never stand close to loudspeakers driven at high volume.

• Suspending the system should only be done by qualied personnel following safe

rigging practices. Secure xings to the building structure are vital. Seek help from

architects, structural engineers or other specialists if in any doubt.

• Do not operate the speaker for an extended period of time with sound distortion. This

is an indication of malfunction, which in turn can generate heat and result in a re.

• Only connect the power supply to an appropriate power adapter.

• Do not install the speaker in wet or humid locations without using weather protection.

• Do not allow water or any foreign object to get inside the speaker. Do not put objects

containing liquid on, or near, the unit.

• To reduce the risk of overheating the amplier, avoid exposing it to direct sunlight.

Do not install the unit near heat emitting appliances, such as a room heater or stove.

• No naked ame sources such as lighted candles should be placed near the device.

• The speaker should be placed so that its location does not interfere with its proper

cooling.

• Do not attempt to disassemble the unit. The unit contains no user-serviceable parts.

Repairs should only be performed by factory trained service personnel.

• Be sure that the adapter has the correct voltage value.

WARNING

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