Things that go bump in the night...

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Yeah, despite his young age Petter is already responsible for a major increase in DIy horn projects here in Sweden. About two months ago we made a 36Hz straight full size exponential horn, just for fun. 140+dB at 40Hz is quite an experience...:)

Sorry for the mistake with the image, but it seems that I cannot edit the post.
I noticed that it was something weird with that picture when I posted it at a local forum a while ago.
 
Does the map show how far you could hear it?

Exactly. The guy who lives 1700 meters away said that it sounded just like his closest neighbours were having a wild party.

Forgot to mention that the huge 36Hz horn is not mine,me and Petter just helped a friend building it. I´m quite proud of being involved in this project but I wouldn´t want to own this beast myself.
Would´nt mind a pair of slightly truncated 40Hz horns in the attic or below the floor, though...:)
 
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