There is actually a big difference in where you place your speakers. Many people just put them where they fit in a room. They do not keep in mind the sound quality and the balance. But placing speakers in the correct area of a room can make a huge difference in the quality of the music coming out of your sound system. Read this article to find out how!
Worth your attention:
Are Your Speakers Where They Belong?
Fill out the information in this link. Submit data and schedule an appointment. https://www.acousticfields.com/free-room-analysis/
I’m seeking info for sanctuary reverberation absorbsion material ( panels) and best placement.
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?