Mon Nov 05, 2018 5:12 pm
That's a good question. My rough guess would be around 200-250.
My knowledge excels on the Federal Thunderbolt siren and SiraTone EOWS sirens. ¯\_(ツ)_/¯
Proud owner of
2014 Federal UltraVoice UVICU
1981 SiraTone C/B prototype
1984 SiraTone C/B