Good point. That document didn't specify the type of siren, so it could've been entirely possible that the WPS-2810 WAS indeed Siren #19. I didn't notice the first time around because of how blurry the image from 2008 was.
I'm in the process of plotting all the sirens in Baton Rouge, Louisiana according to data from this document . I cannot find sirens number 2, 18, and 19. However, siren #19 sparked my curiosity because the location listed for that siren in the document was "Southern University." Southern U...
Here's a random picture I have saved of whatever the heck this thing is....a weird bi-directional ATI or ASC E-Class? https://lh3.googleusercontent.com/eJf46E8c7dyC3MhC2SwKoUz8o3UcgDLSlQNlRHjjgMEGV0X7rbUSE_kq5djbZ-ahHUsToOw8sdzJp8yCLf-3aaBIwMToLbUlWQ65IQEA7Zx1PnuqxBvCTH4hW5j26Mlm8--c4ffcOyAnD7vCOqsl...
Pretty sure it's determined by what AUX module is installed. I believe the modules are like expansion ROMs that old computers (like the Commodore 64, etc) used.
Since the Federal Signal 2001-130 and Equinox are very heavily related, would it be possible to use the chopper off a 2001-130 in an Equinox and vice-versa? Would there be any performance penalties? Would we end up with a siren that sounds mildly 8/12 port?