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Sound Reinforcement - Forums for Live Sound Professionals - Your Displayed Name Must Be Your Real Full Name To Post In The Live Sound Forums => HistoryOfConcertSound.org => Topic started by: Woody Nuss on November 18, 2016, 05:09:22 PM
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WW2 era sonic defense system. (not concert audio, but cool)
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This reminds me of the Vortex cannons the Nazis' were trying to build to take down airplanes.
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Interesting. Woody, any other pictures of that device? It looks like some kind of Cassegrain-derived design.
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Doug Self has a page of 48 of these devices.
http://douglas-self.com/MUSEUM/COMMS/ear/ear.htm
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Doug Self has a page of 48 of these devices.
http://douglas-self.com/MUSEUM/COMMS/ear/ear.htm
here's an older image of a listening device, but not steerable.
JR
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here's an older image of a listening device, but not steerable.
JR
Of course it was steerable. It just took a lot of preplanning :)
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Texas headphones.
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The Brits built a few non-steerable(!) sound mirror walls during the early part of the last century, pictures and info here (http://www.andrewgrantham.co.uk/soundmirrors/).
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WW2 era sonic defense system. (not concert audio, but cool)
I saw a fascinating program on PBS on owls a week or so ago.
An owl has one ear higher then the other to aid in location of prey.
Amazing creatures.