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d&b audiotechnik Vi-GSUB


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Product Overview

Installation-Specific High Performance Cardioid Subwoofer

The installation specific Vi-GSUB is an actively driven high performance cardioid subwoofer powered by a single amplifier channel. The Vi-GSUB is intended for ground stacked applications only. It shares the same acoustical and visual design as the Vi-SUB, which features integrated rigging equipment. It houses two long excursion neodymium drivers, an 18“ 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 arrangement avoids unwanted energy behind the system that reduces the excitation of the reverberant field at low frequencies and provides the greatest accuracy of low frequency reproduction.

The cabinet is constructed from marine plywood and has an impact resistant paint finish. 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 d&b 30D and D80 amplifiers are recommended to drive the Vi-GSUB. The d&b D20 and D12 amplifiers can also be used with the appropriate loudspeaker configuration selected.


The latest software downloads, 3D models, etc. can be found on the d&b audiotechnik website here.





System data

  • Frequency response (–5 dB standard): 37 Hz - 115 Hz
  • Frequency response (-5 dB 100 Hz mode): 37 Hz - 95 Hz
  • Max. sound pressure (1m, free field) [1]
    with D12/D20/30D: 133 dB
    with D80: 137 dB
  • Cabinets per amplifier channel: 2


Loudspeaker data

  • Configuration: Installation specific high performance cardioid subwoofer
  • Nominal impedance: 8 Ω
  • Power handling capacity (RMS/peak 10 ms): 800/3200 W
  • Components:
    1 x 18" driver
    1 x 12" driver
  • Connections:
    2 x NLT4 F/M
    optional 2 x NL4 M or 2 x EP5


Dimensions, weight

  • Dimensions (H x W x D): 606 x 700 x 728 mm (23.8 x 27.5 x 28.6")
  • Weight: 58 kg (128 lb)


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

* 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.

Product Downloads

  • Vi-GSUB Installation Sound Products Brochure PDF 7.1 MB
  • Vi-GSUB Data Sheet v1.2 PDF 0.3 MB
  • Vi-GSUB User Manual v1.1 PDF 0.8 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 Vi-GSUB.