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d&b audiotechnik C3


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Product Overview

The C3 is the hornloaded line array module for the d&b C4 system. With a horizontal dispersion of 35° (above 900 Hz) and a 5° vertical HF dispersion per cabinet, the C3 is used to build vertical columns producing a curved coherent wavefront to provide sufficient mid and high frequencies in distant listening positions. It is totally compatible with C4 loudspeakers utilizing an identical cabinet shape and rigging accessories.

The C3 is 2-way actively driven using both channels of the d&b D12 amplifier configured for the C3. More detailed information on specific loudspeaker setups with d&b amplifiers is available either in the relevant loudspeaker or amplifier manuals.



The C3 cabinet is constructed from marine plywood and has an impact resistant paint finish, steel handles and MAN CF4 stud plate rigging points. There are fittings at the top and bottom for securing an optional transport lid, and mounted on the rear panel are ratchet strap guide plates, two hinge plates and four heavy duty wheels.


  • System data     
  • Frequency response (–5 dB standard)    130 Hz - 16 kHz1
  • Frequency response (–5 dB LFC mode)    80 Hz - 16 kHz1
  • Max. sound pressure (1 m, free field)2    144 dB
  • Loudspeaker data    
  • Nominal impedance (MF/HF)    4 ohms /5.3 ohms
  • Power handling capacity LF (RMS/peak 10 ms)    500/2000 W
  • Power rating HF (RMS/peak 10 ms)    6 ohms
  • Power handling capacity (RMS/peak 10 ms)    150 /600 W
  • Nominal dispersion angle (h x v)    35° x 5°
  • Components    2 x 10" drivers /3 x 1.3" compression drivers
  • Connections    1 x EP5, optional 1 x NL4
  • Pin assignments    EP5: 1/2 MF; 3/4 HF
              NL4: 1+/1– MF; 2+/2– HF
  • Weight (incl. wheels)        71 kg (156 lb)   

Product Downloads

  • C3 C-Series Brochure PDF 3.2 MB
  • C3 User Manual v3.0 PDF 0.1 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 C3.