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  • D40 amplifier 
  • General Description

    This four channel Class D mobile amplifier provides the power density required for high-efficiency d&b systems including the KSL System, V-Series, Y-Series and T-Series.
     
    The D40 incorporates comprehensive loudspeaker management, switchable filtering functions as well as user definable equalization and delay capabilities.
     
    Onboard enhanced energy saving features, power efficiency and Automatic Wake up enable you to save on resources and meet environmental responsibility requirements.
     
    The D40 incorporates up to 16 input channels with eight Milan audio inputs, four analogue inputs, and four AES3 channels.
     
    The D40 utilizes a switch mode power supply with automatic mains range selection and active Power Factor Correction (PFC) to produce a clean current draw and ensure stable and efficient performance under adverse mains conditions.
     
    Access to the d&b Remote network is via Ethernet using the Open Control Architecture protocol (AES70 / OCA). The D40 is controlled using the integrated web interface, which enables access via a browser, or using the d&b R1 Remote control software.
     
    For applicable d&b loudspeakers, d&b LoadMatch enables the D40 amplifier to preserve tonal balance when cable lengths of up to 70 m (230 ft) are used.

  • Product Features

    Digital Signal Processing

    Equalizer                                                                       2 x 16-band PEQ/notch/shelving/asymmetric

    Latency analog and digital inputs                                0.3 ms

    Delay setting                                                                 0.3 ms - 10 s

    Configurations                                                              current d&b loudspeakers (except GSL, SL-SUB, J-Series, M2)

    Function switches                                                         d&b loudspeaker specific circuits

    Frequency generator                                                    Pink noise or Sine wave 10 Hz - 20 kHz

     

    Controls and indicators

    Power                                                                           Mains power switch

    SCROLL/EDIT                                                                Digital rotary encoder

    Display                                                                          Colour TFT touchscreen, 4.35"/480 x 272 pixel

     

    Connectors

    Sampling frequency Digital AES/EBU                          44.1, 48, 96, 192 kHz

    INPUT ANALOG (A1 - A4)                                            3 pin XLR female

    ANALOG LINK (A1 - A4)                                               3 pin XLR male

    INPUT DIGITAL (D1/2, D3/4)                                        3 pin XLR female AES3

    INPUT Network Audio (Milan) (M1-M8)                      etherCON® built-in 5-port AVB Ethernet switch 100/1000 Mbit

    DIGITAL LINK (Output)                                                 3 pin XLR male

    Speaker outputs A/B/C/D                                             NL4

    Mix TOP/SUB / 2-Way Active output A/B and C/D       NL4

    4 Channel output                                                          NL8

    Ethernet                                                                        2 x RJ 45, 1 Gbit/100 Mbit Ethernet

    Mains connector                                                           powerCON® TRUE1 TOP

     

    Data (linear setting with subsonic filter)

    Maximum output power per channel

    (THD+N < 0.5%, all channels driven)

    CF = 12 dB at 4 / 8 ohms                                              4 x 2400/2000 W

     

    Power supply

    Type                                         Autosensing switch mode power supply with active Power Factor Correction (PFC)

    Rated mains voltage               100 - 127 / 208 - 240 V, 50 - 60 Hz

     

    Dimensions / weight

    Dimensions (h x w x d)            2 RU x 19" x 512 mm/20.2"

    Weight                                     13,8 kg

                                                    30,4 lb

     

     


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