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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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