The Siren Board

Discussion of Outdoor Warning Systems
https://www.airraidsirens.net/forums/

Very nice sounding Thunderbolt and Whelen

https://www.airraidsirens.net/forums/viewtopic.php?t=2411

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Posted: Tue Aug 21, 2007 2:04 pm
by Joey P 3
ok so you're hearing either a 3016 or 2000 series as the high pitched older siren, and a 4004 as the newer whelen
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