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CJBS21-1 air raid speaker
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Material:Al.

Power:7500W

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Feature:

Characteristic:1.Special type Aluminium Alloy material, heattreatment and with waterproof, erosion and dampproof.                                                2.Function of no stove pipe and transshape, it can defend sand wind etc; 3.quick start and running steady, loud and clear sound source,strong penetrating.                                                              4.vertical series raincap, mainly used for alarm system of war,air raid and civil defence etc.
5. Some warning system like mine, blast,prison,reservoir,generating plant,power station, Police department, Military base etc.
6. Used for earthquake, tsunami,flood, disaster relief,debris flow,mountain landslide,typhoon,fire,and forest fire prevention etc.

Power:three phase 380V
Rater:7500W
frequency: 550/500?0Hz
Start time: ?3S
Protection class: IP44
Average sound pressure level(class A)?134dB(radius 5m)
Weight:156Kg
Package:wooden box
Package size:150*150*135cm

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