In the name 3T22, the 3 stands for its three main signals: attack (wail), alert (steady), and hi-lo, and the 22 again stands for the twenty-two cones. The A or B determines whether the motor is …

Jan 1, 2021 · Tophat Cone - 19" Projectors - 13" diameter, 18" long; The only dimensions I don't know are the intake cone length and diameter (diameter seems to be the same as the motor), …

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 …

Mar 21, 2025 · The Model 2T22 and Model 3T22[1] (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 …

On this page I try to explain how the Federal 3T22 and Thuderbolt 1003 sirens work. These two sirens are capable of doing and extra "Fire" signal because they can switch their high and low …

The 2T22 is essentially 2 sirens using one motor. The upper part of the siren has 12 ports and the lower has 10 ports resulting in 2 tones produced and it is driven by a 10hp motor. The motor is …

May 19, 2009 · Here is what I can remember about the 2t22 of the top of my head. weighs about 700 pounds with the pole mount attached. Busgeek71 wrote: I just wondered, does anyone …

Jul 14, 2007 · Cones needed for 2T22 or 3T22. I am in Texas. usually if you find a set of projector cones, a whole siren comes with it. Why not pay someone to borrow a single cone and give it …

This mini siren is 1/5 scale fully functional version of the 2T22 omnidirectional siren that was produced by Federal Signal Corporation from 1955 to 1992. In contrast to the real ones which …

Oct 8, 2023 · Because of its duel-tone sound and its total of 22 horns, the siren was called 2T22. Federal Signal had another version called the 3T22, which produced a high-low signal by …