This is specific to the 1079747-99-B factory subwoofer enclosure, but other versions are likely very close.
Internal volume 0.76 cubic feet (21.5L), port diameter 2.36" (60mm) port length 7.2" (183mm) (typically measured to the middle of the radiused portion) this reverse calculates to about 42Hz tuning frequency.
The commonly recommended Alpine S-W8D4 is pretty close in both volume and tuning. This is a solid choice with average efficiency. The enclosure would be too large for use sealed.
Assuming a minimum 10mm thick adapter the maximum woofer depth is 4.5" (114mm) for thicker plates increase the maximum depth accordingly. This is for roughly a 5" diameter magnet assembly or smaller similar to the Alpine mentioned above.
I'll add further info as I test more woofers.
First on the list for me is the Kicker L7T8
Internal volume 0.76 cubic feet (21.5L), port diameter 2.36" (60mm) port length 7.2" (183mm) (typically measured to the middle of the radiused portion) this reverse calculates to about 42Hz tuning frequency.
The commonly recommended Alpine S-W8D4 is pretty close in both volume and tuning. This is a solid choice with average efficiency. The enclosure would be too large for use sealed.
Assuming a minimum 10mm thick adapter the maximum woofer depth is 4.5" (114mm) for thicker plates increase the maximum depth accordingly. This is for roughly a 5" diameter magnet assembly or smaller similar to the Alpine mentioned above.
I'll add further info as I test more woofers.
First on the list for me is the Kicker L7T8