http://www.youtube.com/watch?v=lvtAPn1a ... ed&search=
Special thanks to nelso for posting this on you tube. This unit has a REALLY LOW TONE!
Emm hmm. That particular siren has now been replaced by a Whelen 4000 series. That Thunderbolt was, and consequently the Whelen that replaced it now is, visible from Highway 44 in Fenton (that's the Chrysler Plant you see in the background for quick moments throughout).2t22boy wrote:An old board member made that, he also made a video of whelens in St.Louis doing a test, i will upload when i get home.
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