Description
Product description
Product description
The 2 RU D25 amplifier provides power output optimized for smaller high-efficiency d&b mobile systems, while offering the same full DSP feature set as our high-output amplifiers.
A list of d&b loudspeakers supported by the D25 is included in the Release notes of the amplifier firmware.
The D25 has a dynamic range of 112 dB (unweighted) and 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 D25 incorporates up to 16 input channels with eight Milan audio inputs, four analogue inputs, and four AES3 channels.
The D25 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 D25 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 D25 amplifier to preserve tonal balance when cable lengths of up to 70 m (230 ft) are used.
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
A list of d&b loudspeakers supported by the 25D is included in the Release notes of the amplifier firmware.
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
Status information and monitoring
Colour touchscreen, 4.3″ 480 x 272 pixel
SCROLL/EDIT
Digital rotary encoder
Display
Colour TFT touchscreen, 4.25″/480 * 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
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
Speaker outputs A/B/C/D
NL4
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 1800/900 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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