次声波发声器
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Sound Emitter

CASI-Triple 18 Sound Emitter & Bird Scarer

Chinese Academy Sound Image (Tianjin) Science & Technology Co., Ltd

 

Intriduction:

CASI-Triple 18 is a strong sound source used for low frequency musical entertaiment, infrasound emitter for testing and bird scarer in airport or farm. It could generate broad band sound even very low frequency to scar bird or other small kun insects. Based on a stable structure, intensity of the sound can be adjusted remotely over 500m in any way to change its propagation range without impulse noise. The source body would not be deternorated when operating in enviroment with oil, water, salt in long time from -50to +75 and 99% humidity.

 

Its vibration unit works in strong magnetic field of 1.8T with a 18 inch cone basin made by carbon fiber. Sound wave is emitted by a large surface of the cone efficiently. Two assistant cones work coordinating following the main cone driven by strong current in coil with power of 1000Wto generate sound wave among 1Hz to 20000Hz with f0 of 15Hz and flat curve among 20Hz to 5kHz.

Application

Low frequency musical entertaiment, Boat, airport and farm bird scarer, Sound source for testing, Low frequency music play in an alfresco concert.


Index:


TypeCASI-Triple 18

20Hz SPL RMS: 112dB@1m

200Hz SPL RMS: 117dB@1m

-20dB Band width: 17Hz-5kHz

-30dB Band width: 5Hz-20kHz

Remote controller operating range: 500m

Continue work time: 1.5h

Operation temperature: -45℃~+75℃;

Carbon fiber cone basin umber:  3;

Basin diameter: 18 inch;

Continue power output RMS: 1000W

2s sine sound power: 2000W

Power supply of battery: 80AH+24Vweight of 8kg

AC power: 220V

Coil impedance: 2×2.4±0.5Ω;

Box size: 60cm×60cm×80cm

Total weight including battery: 98kg

Material of box: black aluminium alloy

Sound propagation medium: air.


Following are sound pressure level in 1m(left) and 4m(right) measured in semi anechoic chamber and farm field correspondingly.