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d&b audiotechnik Q1


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Product Overview

The Q1 is a passive 2-way loudspeaker housing two 10" LF drivers positioned in a dipolar arrangement and a 1.3" HF compression driver fitted to a toroidal wave shaping device.

The 75° constant directivity horizontal dispersion pattern is maintained down to 400 Hz, while the vertical HF dispersion of 15° allows the Q1 to be used to construct vertical columns that produce a curved coherent wave front. The mechanical and acoustical design of the cabinet enables vertical splay angles to be set between 0° and 14°. Q1 cabinets can therefore be used in vertical configurations starting from two cabinets with a 15° to 30° dispersion, up to twenty cabinets with a fully user and venue defined vertical profile.

The Q1 can be driven either by the d&b D6 or D12 dual channel power amplifiers configured for the Q1. More detailed information on specific loudspeaker setups with d&b amplifiers is available either in the relevant loudspeaker or amplifier manuals.



The Q1 cabinet is constructed from marine plywood, incorporates a pair of handles and has an impact resistant paint finish. The front of the loudspeaker is protected by a rigid metal grill covered with replaceable acoustically transparent foam, and two EP5 or NL4 connectors wired in parallel are mounted on the rear panel.


  • System data
  • Frequency response (–5 dB standard)    60 Hz - 17 kHz
  • Frequency response (–5 dB CUT mode)    100 Hz - 17 kHz
  • Max. sound pressure (single cabinet, 1 m, free field)     
  • with D6    135 dB
  • with D12    139 dB
  • Input level (100 dB-SPL/1 m)    –18 dBu
  • Loudspeaker data
  • Nominal impedance    8 ohms
  • Power handling capacity (RMS/peak 10 ms)    400/1600 W
  • Nominal dispersion angle (hor. x vert.)    75° x 15°
  • Components    2 x 10” driver
                1.3” compression driver
                Passive crossover network
  • Connections    2 x EP5
                (optional 2 x NL4)
  • Pin assignments    EP5: 1/2
                NL4: 1+/1–
  • Weight    22 kg (49 lb)

Product Downloads

  • Q1 Q-Series Brochure PDF 6.0 MB
  • Q1 User Manual v2.3 PDF 0.2 MB
  • Q1 Q-Series Rigging Manual v1.2 PDF 4.4 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 Q1.