On August 15, 2019 at 21:30, King of typos said...
It’s actually in the literature of this sub...
“ Low-Heat Design*
Our inverted band-pass design puts the woofer’s voice coil and magnet on the ported side of the cabinet. This provides a constant flow of fresh air, which keeps things cool for trouble-free performance. *Applies to 12" only.”
[Link: snapav.com]KOT
Translation: We screwed up when designing the enclosure and the cutout for the driver was too small of a diameter, so we inverted the sub to move these POS's.