Does anyone know how many voice capable sirens that are out out there? and who are the manufactures?

this is used in my home town for noon whistle, 10 o'clock curfew, and fires

All I have to say is...(bows) "all hail the t-bolts" wish more of them were restored and put back into service in stead of being replaced by an inferior siren.Yes I know its more to maintain and upkeep. Until I moved out here to ND I never knew what the sirens were used and why they went o...

Listening to this video tells me that the six-port row must be on the top of the chopper, because inside the rotor, when you have the bottom row open, the blower's air going through that row is going to be compressed by the air circulating in the top row, which is closed momentarily, so you'll have...

this is all interesting everyone thanks for the info! 8)

interesting

Does anyone know when the first voice capable sirens came out?,and what make they were?

heh sorry http://www.youtube.com/watch?v=u83U3qwingU

ohh and I just added another 612 to u tube check it out its a hell of a lot better!!

I would accuatly restore just for my self so i can look at it all the time and (remember those times)