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How to: Low frequency sound cannon?

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Old September 4th, 2006, 01:45 AM   Digg it!   #1 (permalink)
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How to: Low frequency sound cannon?

I've got a neighbor with an alarm on his car. It doesn't appear to have a sound system in it, but it has an alarm nonetheless. The alarm has a very sensative shock sensor which goes off with some frequency. Every car that goes by with a stereo going sets it off. Every thunderstorm sets it off. That is annoying in and of itself. But the worst part is, my neighbor makes ZERO effort to silence it. I don't talk to this neighbor that often as all... just another random renter who really doesn't care. But I did mention it in passing to him once and he said he would see what he could do. He's done nothing.

What I would like to do is make a device that will generate inaudible, low frequency cannon of sorts that can focus a beam of shock at his car to set of his alarm whenever I want, so maybe it will get his attention finally. Like repeatedly at 4AM.

I am going to hit up google too... but wanted to see if anyone had any ideas here first. $50 or less would be great.
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Old September 4th, 2006, 10:17 AM     #2 (permalink)
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When I talked to him about it the first time, he didn't really seem to give too much of a damn about it. And he's sort of a pretty boy, my car is too cool kind of guy who probably thinks it is neat his car does that. For example, he also has a remote start and will use it to start the car as he walks out to it like 5 seconds before he gets into it!

As for 911... if it ran continuously I might call the police, but not 911. Irritating thing about it is, it runs for 30 seconds and shuts off. It is bad enough that it goes off, but when it does, instead of turning it off (even if he is sitting in his living room watching TV) he justs lets it run through its whole 30 second cycle. It might do it 3 times in a row and he would ignore it. That's the habit I want to break him of =)

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Old September 4th, 2006, 10:54 AM     #3 (permalink)
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Old September 4th, 2006, 12:07 PM     #4 (permalink)
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Get yourself one of these Long Range Acoustic Device.
Aim it at the car with a Low frequency to set off the alarm.
Better yet you could aim it at the owner and send subliminal message to them. (fiiiiix the car alarm... fiiiix the car alarm)

Down side:This would cost a considerably more than $50.00. (slide the decimal over several places -I am guessing)
It would be a fun toy to play with!

Last edited by Nathan G. : September 4th, 2006 at 12:18 PM.
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Old September 4th, 2006, 03:18 PM     #5 (permalink)
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In order to avoid legal problems I would video tape it happening over and over again, perhaps also record repeated conversations you might have with him, and if he still doesn’t do anything about it then perhaps call 911 and show them how annoying this is.



Might save you any unwanted trouble, although I am aware it is not as much fun
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Old September 4th, 2006, 03:50 PM     #6 (permalink)
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You can't call 911 unless it's an emergency. I would recommend getting the number of a local police station instead -- Isn't it like a criminal offense if you call 911 for something that isn't an emergency?
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