Looking for...
May. 7th, 2009 11:43 amHollow but not inflatable (i.e., rigid) spheres, or better yet 12" - 24" sections of such rigid spheres, with the diameter of the sphere being about 4' (48").
Edit: For use in experiments with a longer focal-length microphone that needs a parabolic (except not parabolic) dish. Needs to be very cheap (i.e., I doubt the tank-ends mentioned by one poster would work out -- they're probably many dollars each.) -- I'm thinking of a few bucks a pop or less.
Edit: For use in experiments with a longer focal-length microphone that needs a parabolic (except not parabolic) dish. Needs to be very cheap (i.e., I doubt the tank-ends mentioned by one poster would work out -- they're probably many dollars each.) -- I'm thinking of a few bucks a pop or less.