Mon Feb 27, 2023 7:03 pm
Looks to me like this was a Banshee that got replaced by a T-128. No OM-117 exists in dual tone that I know of.
Clayton Werden bought the patent for both the Banshee and P-15, and most sirens installed by him were single tone. Except for a couple out in Clermont County Ohio that are dual tone.
Siren enthusiast, gamer, car enthusiast.