The Siren Board

As in rural Germany, France, and Portugal, sirens are in common use by volunteer fire departments in Poland. As was the custom in Germany before the war, two sirens with different pitches were often used to distinguish a fire call from a civil defense alert. In Poland, however, the fire siren was usually high pitched unlike the German deep-tone (tiefton) fire siren. In this video, the two sirens are wired together. You can find many Polish siren videos using the search term "OSP syrena."



https://www.youtube.com/watch?v=YkpVu6O0-JM

Those sirens sounds beautiful, thanks for sharing. They sound somewhat similar to the two shopmade sirens in Colerain, Ohio.

Whats the port ratio? guess?

8/13 perhaps? I bumped it up a level on a sound board on my Nintendo and it came out to be a B flat and G natural.

I tried that but it was missing a tone. Then i looked at the post and its 2 sirens weird together.

One siren has 10 ports and the other sounds like it has 16. Here is another video of the same sirens.



https://www.youtube.com/watch?v=u7ZaUYEuqOQ

Looks like there isn't a motor cover. They don't appear to have stator screens either. Wonder how long they'll last being semi exposed to the elements.

Looks like they've been there quite a while. Very few European sirens have covered motors.