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d&b audiotechnik Bi6-SUB


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Product Overview

Bi6 subwoofer

The Bi6-SUB is a high performance subwoofer designed for ground stacked applications, housing a long excursion 18” driver built into a bass-reflex design. The Bi6-SUB is the installation version of the B6 subwoofer and differs only in cabinet construction, finish and mounting hardware. When three or any multiple of three B6-SUBs are used, they can be positioned in a Cardioid Subwoofer Array with one cabinet physically facing backwards and driven by an amplifier channel with CSA mode selected. This achieves exceptional directivity control in lower frequencies and significantly reduces the energy radiating towards to the rear. The cabinet is constructed from marine plywood and has an impact resistant paint finish, whilst Weather Resistant and Special Colour options are available. The front of the loudspeaker cabinet is protected by a rigid metal grill backed by an acoustically transparent foam.

The d&b audiotechnik loudspeaker range is designed exclusively for operation with d&b amplifiers. These provide power as well as comprehensive control and protection functions tailored to achieve the performance, reliability and longevity associated with the d&b System approach. The Bi6-SUB can be driven by either the d&b D6, D12 or D80 amplifiers, with the appropriate loudspeaker configuration selected.


  • Subwoofer


* Application information is presented for guidance only. d&b reserves the right to make any necessary changes to the products and the published specifications. As part of the ongoing development program d&b tries to maintain the highest degree of product compatibility.


From. To. The Y-Series.The story behind


Y-Series. Y7P, Y10P, B6, Y8, Y12, Y-Sub, Yi




System data

  • Frequency response (-5 dB standard): 37 Hz - 140 kHz
  • Frequency response (-5 dB 100 Hz mode): 37 Hz - 110 kHz
  • Max. sound pressure (1m, free field)1
    with D6: 128 dB SPL
    with D12: 131 dB SPL
    with D80: 134 dB SPL
  • Cabinets per channel D6/D12/D80: 2


Loudspeaker data

  • Nominal impedance: 8 ohms
  • Power handling capacity LF (RMS/peak 10 ms): 500/2000 W
  • Components: 1 x 18" driver
  • Connections: 2 x NL4 and screw terminal block


Dimensions, weight

  • Dimensions (H x W x D): 490 x 580 x 700 mm (19.3 x 22.8 x 27.5")
  • Weight: 40 kg (88 lb)


1   SPL max peak test signal: pink noise with crest factor 4

Product Downloads

  • Bi6-SUB Y-Series Brochure PDF 9.8 MB
  • Bi6-SUB Installation Sound Products Brochure PDF 7.1 MB
  • Bi6-SUB User Manual v1.1 PDF 0.7 MB


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*Prices are in AUD, include GST and are subject to change. Please call National Audio for pricing and availability on the Bi6-SUB.