A Whelen controller would be harsh on the Federal Signal drivers, they aren't made for that. However, it *has, been done. If you really wanted to go at it(which I just wouldn't recommend), you'd have to wire 4 100W FS drivers in parallel to the output to one of the Whelen controller's 400W amps.
Still searching for a manual for this version of ATI controllers/sirens with this controller. So far I've only come up with a manual for the newer version. ATI has been less then helpful.
IMG_20220314_164855548.jpg (3.15 MiB) Viewed 22224 times
Finally got to record one of the Whelens at Will Rogers World Airport, probably part of the FAA series of buildings on the east side of the airport(where all the Whelens are). I was shocked when it suddenly cut to live voice, was I was really only expecting it to do alert. Video was shaky because of...
ATI DSA4 thingie, 2 round ATI horns, chopper and stator from an RSH-10, a Model L. Much more as far as controllers go. Federal Signal MC, SiraTone, a second SiraTone brain Digital Whelen ESC-864 2 old ATI controllers (just the amp sets & main boards) Federal Signal FC, an AR timer with SiraTrol ...
Honestly, two years to replace the WHOLE system doesn't sound too crazy, however, if I were them, I would replace them in zones so that there are at least a few sirens active in case something goes awry. I expect some kind of San Andreas thing to happen, this time, no siren warnings. Shutting off t...
If that is the siren sounding, which I bet it is, that is absolutely amazing. Like Tristan suggested, appears to be a Bullard. The first recording of a Bullard, other than the news clip featuring the high pitch rotating one going off.
https://www.washingtonpost.com/archive/politics/1988/09/17/nrc-removes-obstacle-to-seabrook-license/2463697f-3949-4fe7-a1ea-7454a50252e9/ "Seabrook officials are working on plans to mount sirens on trucks and helicopters. " Excuse me, wtf? Edit: They are likely referring to helicopter moun...