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J subwoofer
The J-SUB is an actively driven 2-way bass-reflex design housing three long excursion neodymium 18" drivers, two drivers face to the front and one driver to the rear. The cardioid dispersion pattern resulting from this approach avoids unwanted energy behind the system that greatly reduces the reverberant field at low frequencies and provides the greatest accuracy of low frequency reproduction. J-SUB cabinets can be used to supplement J8 and J12 loudspeakers in various combinations, ground stacked or flown, either integrated on top of a J8 / J12 array or as a separate column. The J-SUB cabinet is constructed from marine plywood and has an impact and weather protected PCP (Polyurea Cabinet Protection) finish. The front and rear of the loudspeaker cabinet are protected by a rigid metal grill and the side panels incorporate eight handles. Four
100 mm wheels and one EP5 or NL8 connector are mounted at the rear.


Amplifiers
The J-SUB can only be driven by d&b's D12 dual channel amplifier configured for the J-SUB. More detailed information on specific loudspeaker setups with the D12 amplifier is available either in the relevant loudspeaker or D12 manual.


Applications

Live-music  
Playback  
Speech  
Stage monitor  
Subwoofer


Data

Components 3 x 18" driver
Max. sound pressure (1 m, free field) with D12 138 dB SPL
Power handling capacity (RMS / peak 10 ms) front 800 / 3200 W
Power handling capacity (RMS / peak 10 ms) rear 400 / 1600 W
Frequency response (-5 dB) 32 Hz - 70 / 100 Hz
Cabinets per D12 1
 
Dimensions mm (h x w x d) 540 x 1100 x 945 / 1063
Weight kg 106
Dimensions inch (h x w x d) 21.3 x 43.3 x 37.2 / 41.8
Weight lb 234
Application information is presented for guidance only. We reserve the right to make any necessary changes to the products and the published specification. As part of our ongoing product development program we try, where possible, to maintain the highest degree of product compatibility.

   recommended use
   SPL max peak, test signal: pink noise with crest factor 4
   INFRA mode
   dimensions without wheels


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Downloads

Polar data

Array calculators

CAD drawings 2D/3D


Documentation
PDF Title Language Date Size
Declaration of Conformity Loudspeaker/Amplifiers (CE) Int 14.10.09 25 kB
J-SUB Manual 1.3 English 27.11.08 233 kB
TI 385 J, Q and T-Series system design, d&b ArrayCalc English 18.05.09 3979 kB
The J-Series brochure English 30.10.09 3872 kB

Order form for printed documentation from d&b.


Accessories
Available PDF documents for the accessories can be found in the table below the images.



Z5300
J Flying frame
incl. 2 x J Load adapter

Z5303
J Safety chainset

Z5305
J Hoist connector chain

E7910
J-SUB Wooden lid


PDF Title Language Date Size
J-Series Rigging manual 1.2 English 06.02.09 4758 kB
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