Awesome rare deep sounding siren: Old German WW2 siren in ACTION
Автор: Old_Sirens_4EVER
Загружено: 2010-10-09
Просмотров: 679909
Now it is time to present you a further interesting close up siren video of an old german "Elektror-siren" from WW2-times still in function. Location is in Austria. (here you can see/hear only the low-tone unit with big 3 ports!). And so it has a very deep siren-sound and this is a curious and scary thing when it runs. Sirentone-frequency is at 145 Hz!
The test-signal is called "alarm" (only available in Austria) and it has the purpose to warn the population in case of dangers like e.g. chemical accidents. Of course this old siren is still in function to call the firefighters in case of fire.
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