d&b audiotechnik 44S Manual
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d&b audiotechnik 44S Manual

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Manual 1.1 en

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Summary of Contents for d&b audiotechnik 44S

  • Page 1 Manual 1.1 en...
  • Page 2 General information 44S Manual Version: 1.1 en, 09/2020, D2632.EN .01 Copyright © 2020 by d&b audiotechnik GmbH & Co. KG; all rights reserved. Keep this document with the product or in a safe place so that it is available for future reference. When reselling this product, hand over this document to the new owner.

  • Page 3: Table Of Contents

    Contents Safety precautions.............. 4 44S loudspeaker..............5 2.1 Product description..............5 2.2 Connections................6 2.3 Operation..................7 2.3.1 Controller settings..............7 2.4 Dispersion characteristics............8 2.5 Technical specifications............10 Manufacturer's declarations......... 12 3.1 EU conformity of loudspeakers (CE symbol)......12 3.2 WEEE Declaration (Disposal)..........

  • Page 4: Safety Precautions

    Safety precautions Potential risk of personal injury Never stand in the immediate vicinity of loudspeakers driven at a high level. Professional loudspeaker systems are capable of causing a sound pressure level detrimental to human health. Seemingly non-critical sound levels (from approx. 95 dB SPL) can cause hearing damage if people are exposed to it over a long period.

  • Page 5: Loudspeaker

    44S loudspeaker 2.1 Product description The 44S is a passive 2-way design housing two 4.5” neodymium LF drivers built into a bass-reflex design and two 1.25" HF dome tweeters mounted on a rotatable CD horn thus providing rotatable dispersion characteristics (h x v) of 90° x 30° and 30° x 90° respectively.

  • Page 6: Connections

    Rigging examples Z1650 44S loudspeaker Z1650 44S loudspeaker Z1650 44S loudspeaker Z1650.500 44S with: with: with: loudspeaker, Flushmount ▪ ▪ ▪ with: Z5423 44S Mounting bracket Z5424 44S L-mount adapter Z5426 44S Swivel bracket ▪ Z5427 44S Backbox ▪ Z5425 44S Cluster bracket ▪...

  • Page 7: Operation

    2.3 Operation NOTICE! Only operate d&b loudspeakers with a correctly configured d&b amplifier, otherwise there is a risk of damaging the loudspeaker components and the system performance can not be achieved. Applicable d&b amplifiers: D6|D20|D80|10D|30D|40D Amplifier output mode(s): Dual Channel or Mix TOP/SUB Application Setup Cabinets per...

  • Page 8: Dispersion Characteristics

    2.4 Dispersion characteristics The following graphs show dispersion angle over frequency of a single cabinet plotted using lines of equal sound pressure (isobars) at –6 dB and –12 dB. 44S Isobar diagram horizontal 44S Isobar diagram vertical 44S Isobar diagram horizontal 44S Isobar diagram vertical d&b 44S Manual 1.1 en...
  • Page 9 Altering the HF horn dispersion Depending on the application (horizontal or vertical setup of the cabinet), the HF horn can be rotated through 90°. To rotate the HF horn, proceed as follows: Tools required: ▪ Allen hex torque wrench 2.5 mm. 1.

  • Page 10: Technical Specifications

    2.5 Technical specifications System data Frequency response (–5 dB standard) 90 Hz - 17 kHz Frequency response (–5 dB CUT mode) 150 Hz - 17 kHz Max. sound pressure (1 m, free field) with D80|D20|30D|40D 123 dB with D6|10D 121 dB (SPLmax peak, pink noise test signal with crest factor of 4) Loudspeaker data Nominal impedance...
  • Page 11 Flush mounting Z5427 44S Backbox side view and max. wall thickness, dimensions in mm [inch] Z5427 44S Backbox front view, dimensions in mm [inch] Z5427 44S Backbox cut out dimensions in mm [inch] Z5428 44S Backbox grill (cover grill), dimensions in mm [inch] Note: Please also refer to the Z5427 Mounting instructions, which are supplied with the 44S Backbox d&b 44S Manual 1.1 en...

  • Page 12: Manufacturer's Declarations

    Manufacturer's declarations 3.1 EU conformity of loudspeakers (CE symbol) This declaration applies to: d&b Z1650 44S loudspeaker manufactured by d&b audiotechnik GmbH & Co. KG. All product variants are included, provided they correspond to the original technical version and have not been subject to any later design or electromechanical modifications.
  • Page 13 www.dbaudio.com...

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