> there is going to be a very deep null [...] due to the reflection from the back wall That's exactly what I said. I read the grandparent to imply that distan

> there is going to be a very deep null [...] due to the reflection from the back wall That's exactly what I said. I read the grandparent to imply that distance from the source was the only factor, that one needs to be a certain distance from a source to hear bass frequencies at all, which I'm sure you'll agree is incorrect, as we both seem to have a correct understanding of the physics involved.