Im interested in building a type of oscilliator.. which send out high SPL sound Pressure waves, say like I got my hi fi loude speaker I want to put throught a high sound pressure ie (To feel it not exactly hear it..!!! is this possible..
the SPL in db Im after is about 140DB.. any help or links will very helpfull..
or does anyone know the frequency that Ive heard once, on a television Programe, that makes one blush.. red) as I remember its a really weird low hum.. dont know anything on that..
thanks in advance