TurtlePaul
Addicted to Fun and Learning
A room with room gain below 30 hz has flat-ish frequency response a above 30 hz and a +12 dB/octave gain below 30 hz. This means the lower the frequency the more gain you get. This nicely offsets the 12 dB/octave rolloff of a textbook ported speaker to create flat.Which suggests I’m missing something. How does “more 30hz” become 20hz?
Can you help me out? Cheers.
Every speaker benefits from this, but who cares about a speaker that rolls off at 70 hz in a room with gain below 30 hz. Yes the room will still produce this interaction but the speaker is ~20 dB down at the frequencies where the response levels out.