Modulator II Siren Series

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Modulator II Siren Series
Company Federal Signal Corporation
Produced 2013-Present
Type Electronic
Sound output 106-124 dBc at 100 feet
Preceded by Modulator (2013)
Documentation Manual
Product sheet

The Modulator II is an electronic siren produced by Federal Signal Corporation and is an evolution of the original Modulator, being shorter, narrower and thus more compact. It is modular, containing a variable number of cells. Each active cell contains up to four 100W compression drivers and directs sound downward to the top of the cell below it, where it is redirected outward. The bottom-most cell is a dummy to direct sound from the lowest active cell.

With the new Mod II series, the 6032 and 6048 models were replaced with the more compact 8032B.

Model Image Output Drivers Notes
MOD1004B 106 dBc 4
MOD2008B 112 dBc 8
MOD3012B 115 dBc 12
MOD4016B 118 dBc 16
MOD5020B 120 dBc 20
MOD6024B 121 dBc 24
MOD8032B 124 dBc 32