D12 Power Amplifier

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d&b audiotechnik

The 3RU, two-channel, D12 amplifier delivers medium to high power into low impedance loads between four (4) and sixteen (16) ohms and is ideally suited for use in both mobile and installation environments.  The D12 contains setups for all d&b loudspeakers and a linear mode.  The signal delay capability enables user definable settings of up to 340ms (=100m / 328.1ft) to be applied independently to each channel.  The same applies to the 4-band parametric equalizer, providing optional boost / cut or notch filtering.  The D12 incorporates a digital rotary encoder and a LCD display to configure the amplifier.

The D12 utilizes an autosensing switch mode power supply for mains voltages 120 / 230V, 50Hz to 60Hz (optional 100 / 200V).  The D12 amplifier incorporates d&b SenseDrive for accurate control of LF drivers in d&b loudspeakers driven in 2-Way Active mode or in actively driven d&b subwoofers.  When the D12 is fitted with EP5 connectors and appropriate 5-wire cabling, d&b SenseDrive can be used, resulting in an extremely precise bass performance even at high levels.  NL4 and NL8 connector options are also available.  RJ45 connectors enable access to the Remote network via CAN-Bus.  d&b System check verifies that the system performs within a predefined condition, whilst d&b Load monitoring enables an automatic and continuous impedance monitoring.  Both can determine the status of an LF or HF driver in systems with multiple elements, even if these are crossed over passively.

More Information
Manufacturer d&b audiotechnik

Digital Signal Processing
Equalizer 4-band PEQ/Notch
Latency analog and digital inputs 0.3 msec.
Delay setting 0.3 - 340 msec.  with 0.1 msec.  detents
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 Liquid Crystal Display (LCD)/120 x 32 pixel
ISP, GR, OVL A/B LED indicators

INPUT ANALOG (A1 - A42) 3 pin XLR female
ANALOG LINK (A1 - A2) 3 pin XLR male
NPUT DIGITAL (D1, D2) 3 pin XLR female AES 3
DIGITAL LINK (Output) 3 pin XLR male
Sampling rate 48 kHz/96 kHz
optional EP5/NL8
REMOTE 2 x RJ 45 parallel, CAN-Bus
Mains connector powerCON®-HC

Data (linear setting with subsonic filter)
S/N ratio (unweighted, RMS) > 110 dBr
Rated output power
(THD + N < 0.5%, both channels driven)
CF = 6 dB at 4 / 8 ohms
CF = 12 dB at 4 / 8 ohms
2 x 1200 / 750 W
2 x 1600 / 800 W

Power supply
Autosensing switch mode power supply for 115/230 V, 50 - 60 Hz
optional 100/200 V, 50 - 60 Hz

Dimensions / weight
Dimensions (H x W x D) 3 RU x 19" x 353 mm/13.9"
Weight 13 kg
28.7 lb