so i know that im likely to get flak for posting considering my position in this community, however i still dont mind posting once in a while to help the people out with information if i actually happen to know something. i will just drop a couple of links for you to refrence to, your welcome.
thunderbolt, AR timer, rc6, and other misc federal type sirens with large rcm backplanes,
https://www.ebay.com/itm/285849811401
siratone, mc, and other electronic sirens of that era,
https://www.ebay.com/itm/125917932953?c ... 1&mkcid=28
newer Rc5w for sth10, model 2, thunderbeam (towards end of production) model 5 (towards end of production)
https://www.amazon.com/Hoffman-A12R126- ... B00JV3GLH8
ACA three phase sirens p10,15, screamer, banshee, etc
https://www.penntoolco.com/54079108/
aca single phase sirens capacitor start type and hurricane
https://enclosurehub.com/products/n4x6- ... 2Bshopping
your welcome.
Female enthusiast who is the owner of many large and small sirens, misc controls, timers etc. (too many to list in this small space) all big sirens came from cincinnatis old system.