Quote Originally Posted by Fatboy501 View Post
Wouldn't the model of tweeter play a large part in this? Are some more suited to being on-axis than others, and vice versa?
Its really more of a listener preference. Any tweeter I've ever placed on axis and listened to, it felt like I was staring down the barrel of a gun. My ears are more sensitive to high frequencies, so when they're facing me, its too bright. So Ive always mounted mine off axis.