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7-1-2008 Tuesday. Monthly Hawaii siren 45 second test of the Civil Defense sirens.
This one is a Federal Signal SD-10 (Special Duty - 10 Horsepower 9/12 port ratio). I recorded this about 50 feet away from the siren. It's rated at about 115dB@100ft.
This siren happened to sound during a summer fun session at a local elementary school. Here's a picture: http://x2f.xanga.com/9e0850f349d18197131224/w152405043.jpg
Type
Wave (.wav)
Duration
2:46.608
File size
61.0 MB
Sample rate
48000.0 Hz
Bit depth
32 bit
Channels
Stereo
4 years, 4 months ago
Sounds like an ACA Allertor.
10 years, 3 months ago
nice!!!
13 years, 6 months ago
sd-10 = :)
16 years, 3 months ago
i remember when i saw my first sd-10. theyre pretty awesome.