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① DC24V Input
② Fan exhaust air hole
③ CH1-4 Balanced line input
④ CH1-4 100V speaker line outputs
⑤ Earth line
⑥ Power switch
⑦ Power cord
It is a Class-D digital amplifier which is used for the voice signal broadcasting in EVAC system. And it is a 2U device that integrates 4 independent PFC functions, a power-saving control module, and the 120W/240W/350W/500W power amplifier with DC24V power interface, 4 channels.
* Modular design, easy to configure as required.
* The use of efficient class-D digital power amplifier design scheme has lower power consumption.
* 2U design, 4 independent channels, each channel 120W/240W/350W/500W.
* Overload, short circuit protection, automatic temperature control.
* Automatically detect the working status of each channel and indicate by LED.
* Support power saving mode, enter standby mode when there is no signal.
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Model |
VA-P4120A |
VA-P4240A |
VA-P4350A |
VA-P4500A |
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AC power supply |
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Voltage |
~220-240V 50/60Hz |
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Working current |
2.6A |
5.3A |
7.7A |
11A |
|
DC power supply |
|
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DC input |
DC~24V; ±20% |
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Working current |
24A |
48A |
70A |
100A |
|
Power supply |
4x120W |
4x240W |
4x350W |
4x500W |
|
Power consumption |
580W |
1150W |
1680W |
2400W |
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Audio frequency data |
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Input mode |
Balance 385mV |
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Frequency response |
40Hz to 18kHz+2dB |
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output |
Constant voltage 100V |
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THD |
≤1% (rated power THD), 1KHz |
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S/N |
≥90dB |
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Working temperature |
5℃ ~ 40℃ |
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Related humidity |
<95% |
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Cooling way |
Air-cooled |
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Protection ways |
Time-delay, over-heated, short circuit, overload |
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Size |
484 x 478 x 88mm |
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Net Weight |
13.46Kg |
13.48Kg |
13.54Kg |
13.66Kg |
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