- Aug 21, 2020
I don’t believe this is correct and localization down to around 40Hz is rather more typical for most folks ears. Not sure what research is out there to support this, only using my own listening experience.
Let's not go too far down this road (in that case let's start a different thread on this subject), but as @Steve81 is saying localization is not an issue (40hz is also too low even for that topic, but again that's a different subject), all the sound comes from the speakers.
So being omnidirectional is about how the sound spreads. Have a look at a couple of polar maps (pick something at random at Spinorama.org), and you will rarely see more than 3dB drop +/-180 at least up to 150hz.
Put differently; Up to 150-200hz (depending on the speaker design and baffle size) you can be directly behind the speaker and the bass level is still essentially identical to if you were right in front of it.