D80 Amplifier

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d&b audiotechnik

The two (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 user-defined audio-signal delay capabilities enable up to ten (10) seconds (equivalent to 440m/11286ft) to be applied independently to each channel.  The same applies to the two (2) 16-band equalizers, 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 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 20kHz, preserving the tonal balance when cable lengths of up to 70m (230ft) are used.

More Information
Manufacturer d&b audiotechnik

The equal ratio of signal input to amplifier output channels in the D80 increases application flexibility particularly for monitor, frontfill or effect channel use.

The D80 incorporates Class D amplifiers utilizing a power supply with active Power Factor Correction (PFC) suitable for mains voltages 100V, 120V, 200V, 230V, 50Hz - 60Hz 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.

Digital Signal Processing
Equalizer 2 x 16-band
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

Controls and indicators
Power Mains power switch
Scroll/Edit Digital rotary encoder
Display Colour TFT touchscreen, 3.5"/320 x 240 pixel
(h x v)
Colour TFT

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
Speaker outputs 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
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
CF = 12 dB at 4 / 8 ohms
4 x 2600/2000 W
4 x 4000/2000 W
S/N ratio (unweighted, RMS)
Analog input
Digital input
> 114 dBr

Power supply
Type Autosensing switch mode power supply with active Power Factor Correction (PFC)
Rated mains voltage high range 208 - 240 V, 50 - 60 Hz
Rated mains voltage low range 100 - 127 V, 50 - 60 Hz

Dimensions / weight
Dimensions (H x W x D) 2 RU x 19" x 530.5 mm/20.9"
Weight 19kg

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