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Symbols on the equipment

Please refer to the information in the operating manual.

WARNING! 
Dangerous voltage!

Contents

Safety precautions..............................................................3

Information regarding use of loudspeakers.............................................3

J12.......................................................................................4

J-Series rigging components
J-Series arrays.................................................................................................4
Connections......................................................................................................5
Operation with D12.......................................................................................5
Dispersion characteristics...............................................................................6
Technical specifications...................................................................................7

Manufacturer's Declarations..............................................8

EU conformity of loudspeakers (CE symbol).............................................8
WEEE Declaration (Disposal)........................................................................8

General Information

J12 Manual

 

Version 1.2 EN, 03/2008, D2981.EN .01

Copyright © by d&b audiotechnik GmbH 2008; all rights reserved.

Keep this manual with the product or in a safe place so that it is
available for future reference.

When reselling this product, hand over this manual to the new
customer.

If you supply d&b products, please draw the attention of your
customers to this manual. Enclose the relevant manuals with the
systems. If you require additional manuals for this purpose, you can
order them from d&b.

d&b audiotechnik GmbH
Eugen-Adolff-Strasse 134, D-71522 Backnang, Germany
Tel49-7191-9669-0, Fax +49-7191-95 00 00
E-mail: [email protected], Internet: www.dbaudio.com

Summary of Contents for J12

Page 1: ...J12 Manual 1 2 EN ...

Page 2: ...anual Version 1 2 EN 03 2008 D2981 EN 01 Copyright by d b audiotechnik GmbH 2008 all rights reserved Keep this manual with the product or in a safe place so that it is available for future reference When reselling this product hand over this manual to the new customer If you supply d b products please draw the attention of your customers to this manual Enclose the relevant manuals with the systems...

Page 3: ...he accessories as detailed in our specific Mounting instructions or in our Flying system and Rigging manuals Ensure that all additional hardware fixings and fasteners used for installation or mobile deployment are of an appropriate size and load safety factor Pay attention to the manufacturers instructions and to the relevant safety guidelines Regularly check the loudspeaker housings and accessori...

Page 4: ...n This setup allows a very smooth crossover design with a well defined overlap of adjacent frequency bands resulting in a very consistent and accurate horizontal dispersion Due to the dipolar arrangement of the low drivers the nominal dispersion of 120 is maintained down to 200 Hz The J12 frequency response extends from 48 Hz to above 17 kHz The J12 cabinet is constructed from marine plywood and h...

Page 5: ... Input Output routing 2 Way Active mode The input signal is fed to INPUT A while the input signal is routed linked to INPUT B internally To enable SenseDrive at least one of the cabinets has to be connected to output A of the D12 amplifier J12 Arc and J12Line setups The D12 amplifier provides two setups for J12 cabinets The selection depends on the curvature of the array Within a typical J12 array...

Page 6: ...all amplifiers driving the array can be fed with the same signal CPL circuit Fig 5 Frequency response correction of CPL circuit The CPL Coupling circuit compensates for coupling effects between the cabinets by reducing the low and mid frequency level The CPL function should be used when J8 J12 cabinets are used in arrays of five or more As coupling effects increase with the length of the line arra...

Page 7: ...eak 10 ms 500 2000 W Power handling capacity MHF RMS peak 10 ms 200 800 W Nominal dispersion angle horizontal 120 Splay angle settings 0 7 1 increment Components 2 x 12 driver 1 x 10 driver 2 x1 4 exit compression driver Passive crossover network Connections 2 x EP5 optional 2 x NL8 Pin assignments EP5 1 LF 2 LF 3 MHF 4 MHF 5 SenseDrive NL8 1 LF 1 LF 4 MHF 4 MHF 3 SenseDrive Weight 60 kg 132 lb Fi...

Page 8: ...ll applicable amendments A detailed declaration is available on request and can be ordered from d b or downloaded from the d b website at www dbaudio com WEEE Declaration Disposal Electrical and electronic equipment must be disposed of separately from normal waste at the end of its operational lifetime Please dispose of this product according to the respective national regulations or contractual a...

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