What caused the malfunction?

That would be cool if they had built an mechanical siren. If I were to design a siren though I would look at what worked for the siren industry and what had flopped and put all of the good things about those sirens in to an package. Not only will it bring in the buyers but also could be one of the b...

This was a great artical, keep up the good work! 8)

Great video featuring one of my favorite siren brand's sentry siren.

I live in an area full of whelen 2800's on 460HZ the ambulance is really eerie. Especially when there's dark storm clouds around .

Hello,
I have been wondering do you guys like whelen sirens? Personally I like whelens particularly 2800 series and 4004/Vortex series sirens especially when they are on 460hz

Thanks

Sad to see all of those sirens in bad condition

MKEsignal135 wrote:I found this today out in Madison WI on top of Saint Johns Church. I don't know what this or if it's even a siren or not but it's not owned by Dane County EM and it looks like a electronic speaker-looking T-121 at some angles

Those are in fact church bells

Once you do figure out the solenoids please make a video of Hi-Low