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Description：
8-main-1-backup amplifier automatic detection switch, reduces the impact of amplifier failure and strengthens the guarantee of the stability of the broadcasting system.
Feature：
* Adopt 2U cabinet, high integration design, simple appearance, strong and durable.
* Equipment shutdown and power loss will not affect normal broadcasting.
* Amplifier 8 main 1 backup, reasonable integration of resources, cost saving.
* Real-time amplifier status detection, and different LED color indication.
* Support 8 channels of unbalanced audio inputs/outputs and 8 channels of power signal inputs/outputs.
* Switching time of main and auxiliary amplifier is less than 0.2s, and the audio source is switched without interruption.
* The maximum switching capacity of amplifier channel supports 100V and 20A.
* Eight main amplifier channels can be set to enable or turn off the detection function. The channel setting will take effect immediately without restarting the device.
Specification：
|
Model |
TZ-P72181 |
|
AC Supply Voltage |
AC 220V±10% 50-60Hz |
|
AC Supply Maximum Current |
<0.5A |
|
Fuse Specification |
250V/1A, slow speed |
|
AC Power Consumption |
12W |
|
DC Supply Voltage |
24V DC, ±20% |
|
Maximum dc Supply Current |
0.5 A |
|
Line Input Sensitivity |
775mV |
|
Line Input Impedance |
10KΩ |
|
Line Output Amplitude |
775mV |
|
Line Output Impedance |
470Ω |
|
THD |
＜0.1% （rated output power）,1KHz |
|
Frequency response |
20-16KHz |
|
SNR |
>70dB |
|
Number of Controllable Switching Channels |
8 |
|
Channel switching capability |
100V 20A |
|
Amplifier Switching Time |
＜0.2S |
|
Cooling Way |
Natural cooling |
|
Operating Temperature |
+ 5℃ ～+ 4 0℃ |
|
Storage Temperature |
- 20℃ ～+ 70℃ |
|
Relative Humidity |
< 9 5 %（no condensation） |
|
Dimension |
484×345×88mm |
|
Weight |
5.3kg |
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