Alan-
What is the average lower-limit of actually hearing a note instead of feeling it? Is it different for men..i.e., can we justify EP500s and 600s to our spouses with a line like "I'm sorry honey; I can't help nature. When I listen to our system, I hear a huge hole between 18Hz and 24Hz"?

::::::: No disrespect to Axiom, but my favorite woofer is my yellow lab :::::::