Shep421

Parabolic Madness:

http://www.google.com/search?hl=en&safe=off&q=parabolic+speaker&aq=f&aqi=&aql=&oq=&gs_rfai= http://en.wikipedia.org/wiki/Parabolic_loudspeaker#cite_note-MeyerSB1-1 http://en.wikipedia.org/wiki/Sonic_weapon http://www.meyersound.com/pdf/products/industrial_series/sb-1_oi.pdf http://www.meyersound.com/pdf/products/industrial_series/sb-1_qa.pdf http://www.lradx.com/site/content/view/13/104/ http://www.linkwitzlab.com/x-models.htm#B http://www.linkwitzlab.com/frontiers.htm#L

Infrasonics:

http://www.gi.alaska.edu/~jvo/infrasonics/.index.html http://www.primasonics.com/ http://www.birds.cornell.edu/brp http://journal.borderlands.com/1997/infrasound/

The chosen transducers:

http://www.earthquakesound.com/q10b.htm

Pictures to come soon!