>>I was always under the assumption that when the sub wash up front in-line with the main woofers, that 0deg was the norm.

Having both cones move in and out together is the norm. Depending on your equipment, that might be 0 or 180.

Last edited by bridgman; 06/11/07 01:04 AM.
M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8