Re: Federal Signal STH-C
Posted: Sun Aug 28, 2016 5:37 am
Yes, it can do Pulse too. It's a multi signal version of a STH-10.
Discussion of Outdoor Warning Systems
https://www.airraidsirens.net/forums/
Doesn't help that the STH-10 is very common siren. The only thing which would assist in identifying the model would be the box on the air intake tube. Talk about a needle in a haystack.sirendude2012 wrote:There were a couple that have gone through Ebay in the past decade. The one Murrfarms referenced, and also a fully-refurbished one that was painted black. They tend to fly under the radar.