You are absolutely right. Here is the link to the siren, the Tyfonic:SirenMadness wrote:Yeah, the ninth picture has a diaphragm-type horn, I think.
The third picture looks as if it pertains to a siren from KockumSonic {I hope that I spelled the name of the company right.}
http://www.kockumsonics.com/products/alarm/tyfonic.htm