10/12 without a doubt. Any siren ever made with this port ratio as an option is awesome.

The simple answer is, it doesn't...I posted a picture of a fire truck from Firefighter 5's department as I could guess it from his description of the area and people seemed to be interested in the fact that it was blue. I decided to post more of the odd colored fire equipment from Pa for in case so...

500AT wrote:

Striker404 wrote:Is the port ratio 12/9 or 12/10?

Since it is a Model 500SH TT, it should be a 10/12 port ratio.

I misread that at first. I thought it said Model 500SH IT

So, you're saying this is a model 3T? I had no idea such a thing even existed!! Does it use the same stator as the 5T/7T/SD-10, or is it smaller?

t-bolt82 wrote:Okay. Thanks for babbling about crap, and not answering one thing about sirens...

How dare you speak ill of the glorious game of.... whatever you want to call it... that men have played since the dawn of time. Dave is right, too.

Model A...that's it, for now Sirens aren't too easy to get in PA Ain't that the truth That's almost an understatement. It took me 12+ years to have a solid lead on one locally. I currently only own a Model L that was given to me by a friend who found it in a dumpster behind the firehouse his dad is...

Maybe they replaced the blower motor with something that could be run off batteries?

We had a gigantic one in my former junior high school's auditorium. It was probably bigger than an actual Thunderbolt horn. I wish I would have thought to get a picture before they tore the place down. I remember going in for 7th grade orientation and seeing that on the ceiling and it just totally b...

This has probably been posted before, but I have never seen a rotating ACA Hurricane on a pole before. So this was super awesome to me! Plus, it was posted on YouTube 7 days ago. Link to video: http://www.youtube.com/watch?v=IZuBq2oG24E&feature=related Link to Google Maps: http://maps.google.co...

Grasshopper wrote:If someone knows where a siren is mounted lower than this I'll buy them a case of beer

What's the story on this one?