Why are these sirens next to each other

[jgardner48]

http://picssr.com/photos/mrboojays_pics ... 219285@N07



The 2001 and 508

[Synther]

It's at the Federal Signal Plant in University Park, IL. They have all the sirens up that they currently manufacture so they can demo them for customers.

[Valra Bellkeys]

http://prntscr.com/cvnj90 There is actually 4 sirens.

[jgardner48]

I did not know that

[carexpertandy]

When the city/county tests their siren system, all of them will go off at the same time.

Here's a video from before the 508 even went into production.


https://www.youtube.com/watch?v=pM6vzhjkADo

[coastalsyrolover]

THAT is cool.

[Chicagosiren-hunters]

My father used to work at a small steel firm literally right across the street from Federal, and claimed that every once in a while, he would hear the Modulator play music! I asked him when they test the siren, but they do not do it on a scheduled basis.

[Notre.Dame1003]

These days only the 2001 sounds with the city's system

[siren fan]

Cool video. Can't really see much though lol.