SD-10
| SD-10 | |
[[File: |200px]]
| |
| Company | Federal Signal Corporation |
|---|---|
| Type | Electromechanical |
| Sound output | 109[1] |
| Documentation | Manual |
The SD-10 was an outdoor warning siren produced by the Federal Signal Corporation. The model number stood for Special Dual Tone, 10 Horsepower.[citation needed] The siren itself is essentially identical to a Model 5T except for the housing.
References
- ↑ (PDF) Service Manual, Outdoor Warning Sirens, Models 2, 5, SD10, STH10, STL10. Federal Signal Corporation. Retrieved June 2, 2014.