EOWS
The EOWS series (Electronic Outdoor Warning Siren) was a line of electronic sirens produced by Federal Signal Corporation.
Models
There were a total of 6 models in the series.
| Model | Image | Output | Drivers | Notes |
|---|---|---|---|---|
| EOWS*115 |  |
119 dBc | 12 (1 per horn) | The earliest model in the series. Uncommon.
|
| EOWS*408 |  |
Single tone 128 dBc Dual tone 125 dBc |
8 (2 per horn) | The smallest rotating siren in the series. Quite rare.
|
| EOWS*612 |  |
124 dBc | 12 (2 per horn) | The most popular model. Many active examples can still be found today.
|
| EOWS*812 |  |
Single tone 132 dBc Dual tone 130 dBc |
12 or 16? | The largest siren in the series. Rather uncommon.
|
| EOWS*1212 |  |
115 dBc | 12 [1] | The successor to the 115.
|
| EOWS*M12 | 123 dBc | ? | Vehicular model. Decibel rating was measured at ten feet.
|
EOWS*115
The EOWS*115 was the earliest model produced. It is unique in the series in that it uses re-entrant horns.
EOWS*M12
The EOWS*M12, or Mobile SiraTone, is a vehicle mounted model.[2]