Descriptions:
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.
Features:
* 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.
Specifications:
Model | VA-P4120 | VA-P4240 | VA-P4350 | VA-P4500 |
AC power supply |
|
Voltage | ~220-240V 50/60Hz |
Working current | 2.6A | 5.3A | 7.7A | 11A |
DC power supply |
|
DC input | DC~24V; ±20% |
Working current | 24A | 48A | 70A | 100A |
Power supply | 4x120W | 4x240W | 4x350W | 4x500W |
Power consumption | 580W | 1150W | 1680W | 2400W |
Audio frequency data |
|
Input mode | Balance 385mV |
Frequency response | 40Hz-20KHz±3dB |
output | Constant voltage 100V |
THD | ≤1% (rated power THD), 1KHz |
S/N | ≥90dB |
Working temperature | 5℃ ~ 40℃ |
Related humidity | <95% |
Cooling way | Air-cooled |
Protection ways | Time-delay, over-heated, short circuit, overload |
Size | 484 x 478 x 88mm |
Net Weight | 13.46Kg | 13.48Kg | 13.54Kg | 13.66Kg |
