I want to go back to Inanes' question:
How DO people use the SPL with their sub? Is there a test disc out there that gives a steady tone from 120Hz to 20Hz in 10Hz increments maybe, to allow someone to chart their standing waves in different locations?
My older, relatively-cheap JBL goes Boom, Boom, Boom in it's corner placement; when I get my new Axom setup I'd like to experiment with placement more precisely than my ear might allow, and since I already own the meter......
(Actually, I might as well ask if someone knows of a disc that starts at 20KHz.... might as well do it all at once!)