Quote Originally Posted by Steve Schell View Post
I agree with Earl that the LTV era construction may have paved the way for undersized magnets.
Wel, the magnet would have to be considerably smaller to have a > 2x higher Qes, so weighing the driver might be enlightening, though they could have increased the pot's thickness to offset it. Maybe tapping the pot to compare its ring tone to a known good driver to judge thickness?

GM