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d&b audiotechnik 27A-SUB

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Product Overview

27A subwoofer

Applications

Features

The 27A-SUB is a compact high performance cardioid subwoofer powered by a single amplifier channel and is for use with the xS-Series and xA-Series loudspeakers. The cabinet 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 27A-SUB can be used stand-alone, stacked or as a base for a mixed ground stack. It can also be combined with 10A and 10AL loudspeakers in vertical flown arrays. The enclosure is constructed from marine plywood with an impact resistant black paint finish and is Ball Impact Resistant according to DIN 18032-3 for schools and sports halls. The front of the loudspeaker cabinet is protected by a rigid metal grill backed by an acoustically transparent foam. The side panels have an integrated rigging system and the rear panel incorporates two NL4 connectors as well as a two pole screw terminal block. The loudspeaker cabinets and most accessories are also available with the Special Colour (SC) option that can be executed in all RAL colours, whilst the Weather Resistant (WR) option provides an IP34 rating, and enables operation of loudspeakers in changing ambient conditions.

The 27A-SUB is driven by either the d&b D6 or D12 dual channel power amplifiers configured for the 27S-SUB. More detailed information on specific loudspeaker setups with d&b amplifiers is available either in the relevant loudspeaker or amplifier manuals.

Specifications

System data    
Frequency response (–5 dB standard)   40 Hz - 140 Hz
Frequency response (–5 dB 100 Hz mode)   40 Hz - 100 Hz
Max. sound pressure (single cabinet, 1 m, free field)    
with D6   128 dB
with D12   131 dB
     
Loudspeaker data    
Nominal impedance   6 ohms
Power handling capacity (RMS/peak 10 ms)   500 W/2000 W
Components   15” driver with neodymium magnet
    12” driver with neodymium magnet
Connections   2 x NL4
    screw terminal block
Pin assignments   NL4: 2+/2–
Weight   41 kg (90 lb)

Product Downloads

  • 27A-SUB XA Series Brochure PDF 2.4 MB
  • 27A-SUB 27A-SUB JPG 1.4 MB
  • 27A-SUB 27A-SUB Rear JPG 0.9 MB
  • 27A-SUB 27A-SUB Manual PDF 0.3 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 27A-SUB.