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| {{Infobox siren
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| |image =
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| <gallery>
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| 450px-HLS Hoermann 273 Oberursel Kopf.jpg|HLS 273 head
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| </gallery>
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| |company= Hormann
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| |produced=1970s - mid 1980s
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| |type=[[Pneumatic]]
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| |output=124
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| }}
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| The HLS-273 is the last type of pneumatic siren made by German manufacture Hormann gmbH. It was an even more improved F-71 by use of a smaller head and electric powered air compressor and generator. This is the most common pneumatic siren in Germany and there is at least 20+ still in service. The downside is that it is not as loud as the F-71.
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| <gallery>
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| A4BA7FC1-8271-46F5-8989-2682B77D054A.jpeg|Base of the HLS-273s pole. Showing the engine exhaust pipe and engine ,generator ,and accumulator bunker hatch.
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| </gallery>
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| [[Category:Hormann]][[Category:Omnidirectional Sirens]][[Category:Single Toned Sirens]][[Category:Sirens]]
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Latest revision as of 18:44, 20 January 2022