The Chinese-made LionKing Defender civil defense siren is one of the world's loudest at 138 dB.
Sounding the Sumburgh Foghorn
give me 5 minutes with that diesel engine powering the siren and I'll have it tuned to 150DB easy. In 10 minutes I'd have it turning so many RPMs the sound waves would cause an avalanche on that cliff face
cagiva (Aug 30, 2021)
Toolmaker51 (Sep 4, 2021)
Frank S (Sep 4, 2021)
Toolmaker51 (Sep 5, 2021)
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