The Federal Signal 3T22 and 2T22 are dual-tone, mechanical outdoor warning sirens made by Federal Signal Corporation (formerly Federal Sign and Signal Corporation) from 1952 through the early 1990s. Both have a very recognizable design, with a ten-port rotor (chopper) on the bottom with ten cones (horns) and a 12-port one on top with twelve cones.

Originally Recorded 8/11/2020 © 2022 Brandon Mendel (Reuse allowed with permission)Here’s one of those recordings I’ve been meaning to upload for awhile now...

2025年1月5日 · The Model 2T22 and Model 3T22 (2 or 3 Tone, 22 horns/ports) are a pair of dual rotor omnidirectional sirens that were produced by Federal Signal over a span of nearly 40 years. These are some of the most well-known and iconic sirens with a distinctive sound and are still commonly found today.

This faded yellow 3T22 is located atop the Highview fire station off of 864. I believe this is the only siren that does hi lo in the system. It's one of the few roof mounted sirens in the system...

The 3T22 was an Omnidirectional Warning Siren by Federal Signal made around the 1960s that contains two Rows of Horns and is the Solenoid Version of the 2T22 and is Able to HI-LO... The 3T22A and 3T22B versions also exist.

The Federal Sign & Signal (now Federal Signal) 3T22 and 2T22 are a 10/12 port siren with a distinct 12 horns on top and 10 horns on the bottom, thus the 22 in XT22. The number in the siren name (2 or 3) in means the signal number, although these can be programmed to …

2020年2月4日 · I don't own any sirens myself, but I'd say the 3T22 is one of the cooler sirens out there, being one of the few with coding dampers and capable of hi-lo signals. The 10/12 port ratio also sounds really nice. They're quite large assembled, but with the horns removed they're a lot more manageable, if tall. Proud owner of a pineapple.

Federal signal 3T22 high low(本人编辑实则就是单音2T22B+3T22B) 2253. 1. 2025-01-03 22:09:48. ... Rainbow Painted Federal Signal Modulator 6024B. THUNDERBOLT1000T. 1.2万 2

The Federal Signal 3T22 / 2T22 was an outdoor warning siren made by Federal Signal Corporation (formerly Federal Sign and Signal Corporation) from 1952 through the early 1990s. It has a very recognizable design, having a ten-port rotor (chopper) on the bottom with ten cones (horns) and a 12-port one on top with twelve cones.