Federal Signal’s Model 2 siren is the most commonly used siren for fire station and industrial plant alerting. The siren is an outdoor warning siren providing omnidirectional coverage and intense …

Aug 24, 2025 · The Model 2 is a small 2-horsepower siren that has been produced by Federal Signal and its predecessors since 1929 and is the cheapest purpose-built outdoor warning …

The Model 2T was an omnidirectional siren manufactured by Federal Signal from the 1950s to the 1980s, mainly to fulfill the civil defense requirement for dual-tone warning signals. It had …

This version of the Model 2 continues to be sold to this day, and is a very common find at volunteer fire departments. A Model 2T without its shroud. This 2T uses the modern design of …

Federal also made dual tone Model 2T. The Model 2 single tone siren has 5 ports and the dual tone Model 2T has 4/5 ports. Federal states in their old Model 2T manual that the Model 2T …

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Dec 27, 2022 · The venerable Model 2T, the guts of which powers the ever-so-praised Thunderbolt 1000T. Unlike its brother the Model 2, the 2T has been discontinued for a wh...