1.Siren transducer used for fire alarm sounder with high sound level. 2.CE,ROHS,ISO9001 approved. 3.Most competitive price. Parameters:1.Dimension:47*16mm2.DC resistance:19ohm+/-10%3.Impedance(at 1KHz):100ohm+/-25%4.Frequency range:100-4000Hz5.SPL(at 1m 1000Hz 9Vp-p square wave):more than 95dB (at 1m 1000Hz 12Vp-p square wave):more than 95dB Other coil resistance is available.ISO 14001:ISO9001: ...
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