Surry test time again today (well, yesterday at this point). You know the drill by now, I'm sure...
This siren, #72, was one of the loudest Whelens I've ever filmed in the system. We were a bit over 1000 feet from it, and not only did I have to plug my ears, I think it nearly overloaded my microphone!
You can find more details in the video description.
Enjoy!
https://www.youtube.com/watch?v=PL1b2q-W_NA