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d&b audiotechnik 24S/24S-D

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Product Overview

High Performance Full Range 2-Way Passive Loudspeaker

The 24S is a high performance full range 2-way passive loudspeaker housing two 12” drivers in a bass-reflex enclosure with a 1.4” exit compression driver mounted onto a large rotatable CD horn, intended for a wide range of permanently installed applications. The 24S-D is the wider horizontal dispersion option of the 24S loudspeaker. The dipolar arrangement of the 12” drivers results in directivity control down to approximately 500 Hz in the same plane as the dipole. The specially designed ports with optimised flow characteristics and a large cabinet volume provide a significant low frequency reproduction.

With a frequency response extending from 55 Hz to 18 kHz, the 24S can be used as a stand-alone, full range system, or supplemented with d&b subwoofers. It can be ground stacked or flown individually. The rotatable HF horn can be rotated by 90° to enable horizontal orientation.

The loudspeaker 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. The top, bottom and both side panels each incorporate a pair of M10 threaded inserts for attaching d&b rigging hardware. The loudspeakers are Ball Impact Resistant according to DIN 18032-3 for sports and multipurpose halls. The Weather Resistant option enables the operation of loudspeakers in changing ambient conditions, and features a fixed cable. The 24S can also be supplied in any RAL colour. This Special Colour option can be provided for rigging accessories.


Applications

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 amplifier is recommended to drive the 24S/24S-D. The d&b D20 and D80 amplifiers can also be used with the appropriate loudspeaker configuration selected.

Features

Specifications

 

System data 

  • Frequency response (–5 dB standard): 55 Hz - 18 kHz
  • Frequency response (–5 dB CUT mode): 90 Hz - 18 kHz
  • Max. sound pressure (1m, free field) [1]
    with D20/30D: 138dB (24S) / 137dB (24S-D)
    with D80: 138dB (24S) / 137dB (24S-D)
  • Cabinets per amplifier channel: 1

 

Loudspeaker data

  • Configuration: Installation specific high performance full range 2-way loudspeaker (24S-D with wide dispersion)
  • Nominal impedance: 4 Ω
  • Power handling capacity (RMS/peak 10 ms): 500/2000 W
  • Nominal dispersion angle (h x v): 75° x 45° rotatable (24S) / 110° x 45° rotatable (24S-D)
  • Components:
    2 x 12“ driver with neodymium magnet
    1.4” exit compression driver
    Passive crossover network
  • Connections:
    1 x NL4
    1 x screw terminal block

 

Dimensions, weight

  • Dimensions (H x W x D): 800 x 410 x 420 mm (31.5 x 16 x 16.5”)
  • Weight: 33 kg (73 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

  • 24S/24S-D 24S Data Sheet PDF 0.3 MB
  • 24S/24S-D 24S-D Data Sheet PDF 0.3 MB
  • 24S/24S-D User Manual v1.1 PDF 1.4 MB
  • 24S/24S-D xS-Series Brochure PDF 5.0 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 24S/24S-D.