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d&b audiotechnik D80

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Product Overview

The 2 RU four channel D80 amplifier is a high power density amplifier, ideally suited for use in both mobile and installation environments. It contains configurations for all d&b loudspeakers and a linear mode. The signal delay capability enables user definable settings of up to 10 s (= 3440 m/11286 ft) to be applied independently to each channel. The same applies to the two 16-band equalisers, providing optional parametric, asymmetric, shelving or notch filtering.

The D80 incorporates a colour TFT touchscreen, offering quick access to the menu structure, while the rotary encoder can be used for fine adjustment. The front panel and the integrated touchscreen of the D80 amplifier is tilted up for ease of operation when the amplifier is below eye level.

The equal ratio of signal input to amplifier output channels increases the application flexibility particularly for monitor, frontfill or effect channel use.

The LoadMatch function integrated within the D80 amplifier enables the electrical compensation of loudspeaker cable properties, without the need for an extra conductor. This results in an increased accuracy of audio reproduction over a bandwidth of up to 20 kHz, preserving the tonal balance when cable lengths of up to 70 m (230 ft) are used. The D80 incorporates Class D amplifiers utilising a power supply with active Power Factor Correction (PFC) suitable for mains voltages 100 V/120 V/200 V/230 V, 50 - 60 Hz and maintains a stable output when used with weak or unstable mains supplies. An NL8 provides all outputs on a single connector, while individual outputs are optionally NL4 or EP5 connectors. RJ 45 and etherCON connectors enable access to the d&b Remote network via CAN-Bus and OCA via Ethernet respectively.

Applications

D80 amplifier. The story behind

 

D80, D20 amplifiers tutorial 1 – Overview and navigation

 

D80, D20 amplifiers tutorial 2 – Device setup: Input modes

 

D80, D20 amplifiers tutorial 3 – Device setup: Output modes

 

D80, D20 amplifiers tutorial 4 – Device setup: Remote view

 

D80, D20 amplifiers tutorial 5 – Channel setup

Features

Specifications

Full specifications are available under the Downloads tab above.

Controls and indicators:

  • POWER: Mains power switch
  • SCROLL/EDIT: Digital rotary encoder
  • Display: Colour TFT touchscreen, 3.5"/320 x 240 pixel

 

Digitial Signal Processing:

  • Equalizer: 2 x 16-band PEQ/notch/shelving/asymmetric
  • Latency analog and digital inputs: 0.3 msec.
  • Delay setting: 0.3 - 10000 msec.
  • Configurations: current d&b loudspeakers and linear mode
  • Function switches: d&b loudspeaker specific circuits
  • Frequency generator: Pink noise or Sine wave
  • Sampling rate: 96 kHz/27 Bit ADC/24 Bit DAC

 

Connectors:

  • 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 AES 3
  • DIGITAL LINK (Output): 3 pin XLR male
  • Sampling Digital AES/EBU: 48 kHz/96 kHz
  • OUT Channel A/B/C/D: NL4, optional EP5, 4 CHANNEL OUTPUT NL8
  • CAN: 2 x RJ 45 parallel
  • ETHERNET: 2 x etherCON®, 10/100 Mbit Ethernet, OCA protocol
  • Mains connector: powerCON®-HC

 

Data (linear setting with subsonic filter):

  • Maximum output power per channel (THD + N < 0.5 %, all channels driven)
  • CF = 6 dB at 4/8 ohms: 4 x 2600/2000 W
  • CF = 12 dB at 4/8 ohms: 4 x 4000/2000 W
  • S/N ratio (unweighted, RMS)
  • Analog input: > 110 dBr
  • Digital input: > 114 dBr


Power supply:

  • Autosensing switch mode power supply with active Power Factor Correction (PFC)
  • Rated mains voltage
  • High range: 208 to 240 V, 50 – 60 Hz
  • Low range: 100 to 127 V, 50 – 60 Hz


Dimensions, weight:

  • Height x width x depth: 2 RU x 19" x 530.5 mm/20.9"
  • Weight: 19 kg/42 lb

Product Downloads

  • D80 Mobile Amps & Software Brochure PDF 7.6 MB
  • D80 Ethernet Networking PDF 0.4 MB
  • D80 Installation Sound Products Brochure PDF 7.1 MB
  • D80 Mobile Sound Products Brochure PDF 4.8 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 D80.