Hormann HLS 273

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Hormann HLS 273
[[File:
  • HLS 273 head

    HLS 273 head

|200px]]
Company Hormann
Produced 1970s - mid 1980s
Type Pneumatic
Sound output 124

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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