Mobil Directo: Difference between revisions
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The '''Mobil Directo''' was a siren manufactured by the Biersach & Niedermeyer Co. The siren came in two types. An '''Electric Motor''' Mobil Directo only came in a Dual Tone 10/12 port ratio. However, the '''Gas Motor''' Mobil Directo only came in an Single Tone 8 port ratio. Many gas motor units were eventually converted with an electric motor like the 10/12 port units. When the company evolved into [[Alerting Communicators of America]] the siren was evolved into the [[Allertor]]. | The '''Mobil Directo''' was a siren manufactured by the Biersach & Niedermeyer Co. The siren came in two types. An '''Electric Motor''' Mobil Directo only came in a Dual Tone 10/12 port ratio. However, the '''Gas Motor''' Mobil Directo only came in an Single Tone 8 port ratio. Many gas motor units were eventually converted with an electric motor like the 10/12 port units. When the company evolved into [[Alerting Communicators of America]] the siren was evolved into the [[Allertor 125]]. | ||
[[Category:Dual Toned Sirens]][[Category:Single Toned Sirens]][[Category:Electromechanical Sirens]] | [[Category:Dual Toned Sirens]][[Category:Single Toned Sirens]][[Category:Electromechanical Sirens]] | ||
[[Category:Sirens]] | |||
Revision as of 01:05, 25 February 2017
| Mobil Directo | |
| |
| Company | Biersach & Niedermeyer Co. |
|---|---|
| Produced | ?-1967 |
| Type | Electromechanical |
| Sound output | 125 dBc at 100 feet |
| Succeeded by | Allertor |
The Mobil Directo was a siren manufactured by the Biersach & Niedermeyer Co. The siren came in two types. An Electric Motor Mobil Directo only came in a Dual Tone 10/12 port ratio. However, the Gas Motor Mobil Directo only came in an Single Tone 8 port ratio. Many gas motor units were eventually converted with an electric motor like the 10/12 port units. When the company evolved into Alerting Communicators of America the siren was evolved into the Allertor 125.