Posted: Sat May 22, 2010 5:08 am
I thought that Biersach and Niedermeyer was in the siren business before WWII. Mobil Directos did not come out until after the war, if I'm not mistaken.
Discussion of Outdoor Warning Systems
https://www.airraidsirens.net/forums/
I think I've seen one of those around here - no ASC branding whatsoever. I could be mistaken, though.Jpressman8 wrote:Here is a picture of the very first T-128 from Excel. It is in western Hamilton County in Harrison Township.
Excel T-128
http://viewmorepics.myspace.com/index.c ... D=33174041
"well designed to achieve the dB output that it really produces?"Basically, a siren that's fine tuned/well designed to achieve the dB output it really produces.
I think he's trying to say that it consistently achieves the dB output that it was designed to produce.CDV777-1 wrote:"well designed to achieve the dB output that it really produces?"Basically, a siren that's fine tuned/well designed to achieve the dB output it really produces.
Not sure what that means. Doesn't any siren achieve the dB output that it "really produces?"
Maybe you should learn to do better research, then. Just a thought500 AT fan wrote: And to whoever smited me for this post, please learn to cite your own info in the future, kthxbye.