I've been in touch with Ted Weber and he tells me they can re-cone the original driver
to spec and beef it up a bit to better handle 30 watts RMS.
We are truly blessed to have such a good friend in the music community.
Since I still want to preserve the original driver, Ted is also suggesting
one of his low efficiency AlNiCo drivers as a replacement for regular use.
12A125A, lightly doped, 30 watts.
12A125A
$105.00
Replaces Chicago Jensen P12Q and other medium power AlNiCo 12's.
12", 11oz AlNiCo magnet, 20 or 30 watts, 1-1/4" voice coil, curved seam, ribbed cone.
Woody, reedy, early 60's Fender tone. Tight low end, detailed high end. Compressed and fattened at higher volumes
https://taweber.powweb.com/weber/12a125a.htm