Leave it to crazy college kids to build a 6 foot tall subwoofer. Ph. D. students at UW-Madison are using space age materials and state of the art sound engineering techniques to build just such a monstrosity. WARNING! Listening to music on this thing could cause loss of bowel control.
Read the full article here:
A 6′ sub woofer that goes down to 5 Hz.
There may be apps that do that. You can definitely find spectrum analyzers that will measure ultra low.
Is there an APP that can measure the ultra low frequency levels?
.Plaster is a viable middle and high frequency absorber. We have used it many times in new builds that have…
Hi Dennis I'm curious what you think of acoustic perforated plaster - say CST Galaxy -on particularly ceilings in music…