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3.  Introduction 

Congratulations on your purchase of a new ELXA Series professional power amplifier, and thank you 

for your confidence in 

 products. You are among the growing number of audio professionals 

who have made 

 one of t

he world’s leading suppliers of professional and 

commercial/industrial audio systems. 

For your safety, please read the manual before installing and operating the amplifier. The 

 

ELXA Series is based on the same advanced circuit topologies that have made 

 amplifiers 

the choice of touring professionals worldwide. ELXA Series amplifiers are designed for high operating 

efficiency and accurate sonic performance across the full audio bandwidth, even under stressful 

conditions. In order to maintain strict quality assurance standards, all ELXA Series amplifiers are built 

in 

’s state-of-the-art CHINA manufacturing facility. Inner components are the finest available 

and key sub assemblies are pretested before final assembly. 

Finally, each amplifier is “burned in” and 

thoroughly tested (using precision audio test equipment) before shipping.  

 

In addition, all ELXA Series amplifiers in corporate 

 exclusive Tour Class protection feature 

to safeguard both internal circuitry and connected loudspeakers. This proven combination of advanced 

design, quality construction and comprehensive circuit protectors is your guarantee of fail-safe 

reliability. You can depend on consistent, stable performance. 

3.1. Unpacking 

Please inspect the amplifier carefully immediately after unpacking. If you find any damage, notify your 

supplier/dealer immediately. Be sure to save the carton and all packing materials. If you ever need to 

ship the unit back to 

 or an authorized service center, you should use only the original factory 

packing. 

3.2. Installation and Mounting 

ELXA Series amplifiers ELXA900 are 2-rack-space high. 

All mount in standard 19“ racks. Four front-

panel mounting holes are provided on each amplifier. Rear mounting ears give additional support, and 

use of rear supports is highly recommended in all mobile and touring sound systems. 

 

Содержание ELXA Series

Страница 1: ...User manual...

Страница 2: ...2 Cooling System 8 5 3 Connecting Inputs 8 5 4 Connecting Outputs 9 6 Mode Selection 9 6 1 Stereo Mode 9 6 2 Parallel Mode 9 6 3 Bridged Mono Mode 9 6 4 Stereo Mode Connections 10 6 5 Parallel Mode Co...

Страница 3: ...location with high humidity or lots of dust Containers with water should not be placed on the set Keep away from sources of hum and noise Such as transformer motor tuner TV set and amplifier To avoid...

Страница 4: ...ty The dealer will not accept liability for any resulting defects or problems Make sure the electrical connection is carried out by qualified personnel All electrical and mechanical connections have t...

Страница 5: ...sted before final assembly Finally each amplifier is burned in and thoroughly tested using precision audio test equipment before shipping In addition all ELXA Series amplifiers in corporate exclusive...

Страница 6: ...ut Attenuators 4 Protect LED Indicates that the channel is in Protect mode speakers disconnected by output relay 5 Limiter LED Illuminates at the clipping threshold Continuous illumination also indica...

Страница 7: ...llel The unused connectors may be used for loop through connect ion to other amplifiers NOTE Unbalanced TIP SLEEVE plugs may be used with the balanced TRS Tip Ring Sleeve connectors The RING terminal...

Страница 8: ...lots The intelligent variable speed DC fans are controlled by heat sink temperature sensing circuits When the amplifier is turned on the fans briefly rev up then slow to an idle this indicates that th...

Страница 9: ...and appear at outputs for both Channels A B wird das Eingangssignal des Kanals A verst rkt auf beiden Ausg ngen ausgegeben Either the TRS input or the XLR input on Channel A may be used 6 3 Bridged M...

Страница 10: ...cting amplifier outputs to oscilloscopes or other test equipment while the amplifier is in bridged mode may damage both the amplifier and test equipment 6 4 Stereo Mode Connections 6 5 Parallel Mode C...

Страница 11: ...GM circuit adjusts the channel gain to a safe level Like LX the IGM circuit is inaudible in normal use In addition if extreme and sustained low impedance is encountered the amplifier s output relay wi...

Страница 12: ...rcuit and switch on the amplifier again to restart the amplifier 12 DC Voltage Protection If an amplifier channel detects DC voltage at its output terminals the output relay will immediately open to p...

Страница 13: ...13 17 14 Appendices Amplifier specifications...

Страница 14: ...14 17...

Страница 15: ...15 17...

Страница 16: ...16 17...

Страница 17: ...17 17 Importeur B K Braun GmbH Industriestra e 1 D 76307 Karlsbad www bkbraun com info bkbraun com...

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