A series class-D power amplifiers have
three ranges: one channel, two channel and four channels, each channel, s rated
power have options of 120W, 240W, 350W & 500W. 19, , Standard rack mount design in 2U
height.
The VA series class-D power amplifiers are
designed of switch power technology for power electricity saving, separate PFC
design for highest reliability, separate power supply system for each channel,
separate cooling system for each channel ensure less heat generation and fast
auto-cooling system. Sleep mode is automatically enabled when no signal input
is detected.
AC 110V or 230V power supply and DC 24V
input, separate fuse for each channel.
Balanced line input by phoenix connector
and 100V line speaker output by phoenix connector.
Built-in two fans for automatic start up
when inner temperature reaches 55℃.
Complete protection system includes power
on, overheat, short circuit and overload.
Features
* Class-D power amplifier for voice
evacuation system
* 120W, 240W, 350W & 500W by one, two
and four channels
* 19, , rack mount design of 2U height
* Switch power technology for less power
consumption but higher efficient
* Separate PFC design, separate power
supply and cooling system for each channel
* Sleep mode automatically enabled when no
signal is detected for saving power electricity
* AC 110V or 230V and DC 24V power supply
* Balanced line input and 100V speaker
output for each channel
Specifications
Model
VA-P120
VA-P240
VA-P350
VA-P500
VA-P2120
VA-P2240
VA-P2350
VA-P2500
VA-P4120
VA-P4240
VA-P4350
VA-P4500
AC Power Supply
Power supply
~220V , ±10%50/60Hz
AC Current
0.7A
1.4A
2A
3A
1.4A
2.8A
4A
6A
2.8A
5.6A
8A
12A
DC power supply
Power supply
DC24V ±20%
DC current
6.5A
12A
18A
25A
13A
26A
36A
50A
19.5A
52A
72A
100A
Specifications
Line input
balanced input, 385mv, phoenix connector
Frequency response
40Hz-20KHz ±3dB
Speaker output
100V, phoenix connector
Distortion
1% at 1KHzrated power
S/N ratio
≤90dB
Working temperature
+5℃ - 40℃
Relative humidity
5%~90%
Cooling System
Automatically start when inner
temperature reaches 55℃