ARCHIVED: Mystery Sirens (2008-3/2021)

[Matt]

Anyone know what make/model this little speaker might be?
*Image removed for space*

High-res photos you can zoom and pan: https://www.dropbox.com/gallery/3570226 ... r?h=f6460a

I think that might be a federal signal selectone.

[mrboojay]

It is a Federal Signal Selectone siren/PA speaker.

[Ziginox]

Do you guys know how much the output in db and watts is on one of the things? Another odd thing is that there is only one and it is pointing in one direction...

[Matt]

Do you guys know how much the output in db and watts is on one of the things? Another odd thing is that there is only one and it is pointing in one direction...

It's most likely to tell cars to slow down, the trucks are pulling out, it is an emergency.

[mrboojay]

They say;
86dB to 110dB @ 10' (96dB to 120dB @ 1m)

[Ziginox]

They say;
86dB to 110dB @ 10' (96dB to 120dB @ 1m)

Wow, that sounds almost useless for an outdoor application.

[Matt]

They say;
86dB to 110dB @ 10' (96dB to 120dB @ 1m)

Wow, that sounds almost useless for an outdoor application.

It's not made for mass notification, it's made to warn people in a short distance, or for indoor applications.

[Ziginox]

It's not made for mass notification, it's made to warn people in a short distance, or for indoor applications.

Hence why it sounds pretty useless

[Daniel]

In my college dorms, there were three Selectones on each floor for fire alarms, all set to slow whoop. They were bloody loud, and for good reason: the school had burned down twice in the last 120 years.

[E712]

Here are two that I can't identify:


http://www.cnyfiretrucks.com/gallery/di ... play_media

http://www.cnyfiretrucks.com/gallery/di ... play_media

Edit: These links don't always work.