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d&b J-SUB Wooden lid
Z0660.002
J subwoofer
  • Large format flyable cardioid subwoofer
  • Components 3 x 18"
  • Dispersion Cardioid
  • SPLmax 139 dB
  • Weight 106 kg
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, which 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.
The d&b D80 and 30D amplifiers are recommended to drive the J-SUB. The 2-Way active mode for the J-SUB requires two channels of the D80.
d&b J-INFRA Wooden lid
Z1000.002
J-INFRA subwoofer
  • Large format cardioid subwoofer
  • Components 3 x 21"
  • Dispersion Cardioid
  • SPLmax 144 dB
  • Weight 152 kg
The J-INFRA is a cardioid infra subwoofer that can be used to supplement J-Series systems consisting of J8, J12 and J-SUB cabinets. It extends the frequency response of a J-Series system down to 27 Hz and can only be used in ground stacked configurations in conventional left/right set-ups, as well as arranged in an infra subwoofer array. It has two bass-reflex chambers containing three 21" drivers, two facing forward in one chamber that are driven from one channel of the d&b amplifier and one facing backwards driven by another amplifier channel. Through this driver set-up its cardioid dispersion pattern avoids unwanted energy behind the system and greatly reduces the reverberant field at low frequencies, providing highest accuracy in low frequency reproduction. Selecting Hypercardioid mode in the amplifier optimises the tuning of front and rear channels for a maximum rejection at the left and right sides behind the cabinet. The J-INFRA 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. The cabinet front is fitted with four catches for securing an optional wooden lid.
The d&b D80 amplifier is recommended to drive the J-INFRA. The d&b 30D can also be used. The 2-Way active mode for the J-INFRA requires two channels of the D80.
d&b J-SUB Wooden lid
E7910.000
Wooden lid J-SUB.
Pris exkl.3 840.00

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