The town of Depew just outside of Buffalo uses a couple of STL-10s and a diaphone for fire calls. Very creepy ambiance if you ever get the chance to hear it.
Edit: Found video
https://www.youtube.com/watch?v=Wt9bWt0G_zA
ichudov wrote:I bought a Federal Signal EOWS 612 siren, just the speaker box with rotating foot, and nothing else (no control box or battery box). Is there some way to make it make sounds?
Yup, that really short stator and the rotor vane shape is a dead giveaway that it's a HOR.Some_3t22s wrote:So THATS the insides of a Siro-Drone.