10/12, I believe.landmobile wrote:Jerry,
Do you know the port ratio of the Castle Castings siren in this video? It looked like 12/8 to me but wasn't sure I had it right.
That was my theory, and I'm fairly confident that it is the case, but I haven't received confirmation that that is the official reason.cauberallies wrote:I remember reading that the hi-lo cycle is as slow as it is so it isn't mistaken for a vehicle siren.