Top of the page

d&b audiotechnik B4 Subwoofer NL4

Item No. Z0610.001
Cardioid subwoofer The B4-SUB is an actively driven cardioid subwoofer powered by a single amplifier channel. It houses two long excursion neodymium drivers in an integrated cardioid setup: a 15" driver in a bass-reflex design facing to the front and a 12" driver in a two chamber bandpass design rad
Login for Dealer Pricing
Click below for direct download from our manufacturers.

Description

Cardioid subwoofer

The B4-SUB is an actively driven cardioid subwoofer powered by a single amplifier channel. It houses two long excursion neodymium drivers in an integrated cardioid setup: a 15" driver in a bass-reflex design facing to the front and a 12" driver in a two chamber bandpass design radiating 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. The B4 subwoofer can only be used in a ground stacked setup. The B4-SUB cabinet is constructed from marine plywood, has an impact and weather resistant paint finish and a pair of handles. An M20 threaded flange in the top panel accepts the d&b Loudspeaker stand winder M20. The loudspeaker cabinet is also available in Special Colour (SC) options.

Amplifiers

The following amplifiers can be used to drive the B4-SUB:

  • Mobile: D6, D20, D40, D80
  • Installation: 10D, 30D, 40D
Features
  • Components 15"/12"
  • Dispersion Cardioid
  • SPLmax 131 dB
  • Weight 44 kg / 97 lb
Specifications
System data
  • Frequency response (-5 dB standard): 40 - 150 Hz
  • Frequency response (-5 dB 100 Hz mode): 40 - 100 Hz
  • Max. sound pressure [1]:
    with 10D: 128 dB
    with D20/30D: 131 dB
    with D40/D80/40D: 131 dB
  • Cabinets per amplifier channel: 2
Loudspeaker data
  • Configuration: Cardioid subwoofer
  • Nominal impedance: 6 Ω
  • Power handling capacity (RMS/peak 10 ms): 500/2000 W
  • Components: 15" / 12" driver
  • Connections: 2 x NL4
Dimensions / weight
  • Dimensions (H x W x D): 476 x 580 x 700 [2] / 800 mm (18.7 x 22.8 x 27.73 / 31.6")
  • Weight: 44 kg / 97 lb
[1] 1 m, free field, SPL max peak test signal: pink noise with crest factor 4, one speaker driven
[2] dimensions without wheels

Product Details

RRP
$ 10093.00
Brand
d&b audiotechnik
Product Group
T Series
Product Category
Loudspeakers - Subwoofers
Item No. Z0610.001

d&b audiotechnik B4 Subwoofer NL4

Cardioid subwoofer The B4-SUB is an actively driven cardioid subwoofer powered by a single amplifier channel. It houses two long excursion neodymium drivers in an integrated cardioid setup: a 15" driver in a bass-reflex design facing to the front and a 12" driver in a two chamber bandpass design rad
Login for Dealer Pricing
Click below for direct download from our manufacturers.

Description

Cardioid subwoofer

The B4-SUB is an actively driven cardioid subwoofer powered by a single amplifier channel. It houses two long excursion neodymium drivers in an integrated cardioid setup: a 15" driver in a bass-reflex design facing to the front and a 12" driver in a two chamber bandpass design radiating 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. The B4 subwoofer can only be used in a ground stacked setup. The B4-SUB cabinet is constructed from marine plywood, has an impact and weather resistant paint finish and a pair of handles. An M20 threaded flange in the top panel accepts the d&b Loudspeaker stand winder M20. The loudspeaker cabinet is also available in Special Colour (SC) options.

Amplifiers

The following amplifiers can be used to drive the B4-SUB:

  • Mobile: D6, D20, D40, D80
  • Installation: 10D, 30D, 40D
Features
  • Components 15"/12"
  • Dispersion Cardioid
  • SPLmax 131 dB
  • Weight 44 kg / 97 lb
Specifications
System data
  • Frequency response (-5 dB standard): 40 - 150 Hz
  • Frequency response (-5 dB 100 Hz mode): 40 - 100 Hz
  • Max. sound pressure [1]:
    with 10D: 128 dB
    with D20/30D: 131 dB
    with D40/D80/40D: 131 dB
  • Cabinets per amplifier channel: 2
Loudspeaker data
  • Configuration: Cardioid subwoofer
  • Nominal impedance: 6 Ω
  • Power handling capacity (RMS/peak 10 ms): 500/2000 W
  • Components: 15" / 12" driver
  • Connections: 2 x NL4
Dimensions / weight
  • Dimensions (H x W x D): 476 x 580 x 700 [2] / 800 mm (18.7 x 22.8 x 27.73 / 31.6")
  • Weight: 44 kg / 97 lb
[1] 1 m, free field, SPL max peak test signal: pink noise with crest factor 4, one speaker driven
[2] dimensions without wheels

Product Details

RRP
$ 10093.00
Brand
d&b audiotechnik
Product Group
T Series
Product Category
Loudspeakers - Subwoofers