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DCA Series Digital Power Amplifier

 

       Features

  • Stable, precise and pure quality defines the DCA1812,which is distinctive in quality design and stability.

  • Stable and dependable performance

  • Precise and pure quality.

  • Designed for the applications of conference systems

  • Always in pursuit of the best
    Due to a broad span of working voltages (range of 80-130V or 170-270V), strong/versital voltage is always present. And, an advanced SMT strengthens stability even more. During this unit’s pre-release R&D, several test-experiments were done to ensure that the DCA1812 could perform with precise clarity, ultra-low distortion and super signal-to-noise ratio. Thanks to the unique and flexible power system, DCA181 (with a huge capacity storage), this compact 2U design makes set-up and transport a breeze. And in the event of a repair, modular replacement is fast and simple. The perfect protection circuit system makes this unit as die-hard as a miliary-craft! Before the DCA1812 production-release, it underwent years of testing to guarantee it to be a sophisticated design (both interior and exterior).

Specifications

Model DCA1812
Stereo @ 8Ω 8×120W
Frequency Response 8Ω load,10dB below rated power 20Hz~20KHz±0.3dB
THD+N(typical) 20Hz~20KHz,8Ω load,10dB below rated power <0.05%
Intermodulation Distortion SMPTE(typical) 8Ω load, 10dB below rated power, 60Hz+7KHz <0.1%
Signal to Noise Ratio 20Hz~20KHz,8Ω load,A-weighted >100dB
Input CMRR(common mode rejection ratio) @ 1KHz >80dB
Channel separation(Crosstalk) @ 1KHz >80dB
Damping Factor 8Ω load, 1KHz and below >100
Circuitry Bipolar,ClassAB
Input Impedance Analog input 4.5KΩ unbalanced input fiber input 110Ω.
Slew Rate 25V/μs
Processor N.A.
Voltage Gain rated power @8Ω 30dB
Input Sensitivity Rated Power @ 8Ω +2.2dBu(1.0Vrms).
Maximum Input Level +2.2dBu(1.0Vrms).
Protection Circuits Soft-start, input surge limit, radiator and transformer temperature protection, output short circuit protection, output DC protection, output over-current protection.
Dynamic Limiter N.A.
Cooling 2 DC the thermostat variable speed fan air flow from left to right.
LED Indicators Front panel Power, protection, clipping, signal.
LED Indicators Rear panel N.A.
Input Connectors Multi-channel terminal-block jack (8 total inputs).
Output Connectors Multi-channel terminal-block jacks (2 x 4 total outputs).
Modes of Operation Stereo,Mono,Bridge
Power Consumption 1/8 rated output power @ 4Ω 180W
Power Consumption 1/3 rated output power @ 4Ω 480W
Protector 240V/230V:F15A 120V/100V:F25A
Power Supply 220V, 240V power supply 10A, 100V, 120V power supply, 15A, manual reset.
The height of Unit  2U
Product Dimension(WXDXH) 482X600X88mm
Net Weight 15kg
Shipping Dimension(WXDXH) 623×778×215mm/0.0875m3
Gross Weight 16.5kg

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Specifications subject to change without notice.
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