Edwards Signaling C series air horns are for general signaling services. They generate sound by means of a vibrating diaphragm that modulates the flow of compressed air into a resonating projector. All horn shapes are mathematically calculated to amplify sound while closely retaining its fundamental frequency and natural harmonics. All horn frequencies are designed to give balance to any combination of horn tones. These horns can be used in indoor/outdoor applications, ideal for hazardous location use, individual equipment and plant warnings. Volume is adjustable by regulating air pressure. Designed for mounting on air supply piping, supplying between 50 and 150 PSIG (3.5 and 10.5 kg/sq cm). May be bracket mounted using the AC30106 post bracket. Typical applications include: emergency signaling applications such as mines, refineries and industrial facilities. They can also be used for signaling activities such as shift start/stop, blast warning and equipment stop/starts.

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