35 Plus shipping
7.75" inside dia.
1/4" wall thickness
8.25" outside dia.
1.25" Flare Radius
11.25" Outside Dia.
10" cutout dia.
20" Port length = displacement .65ft^3
6.5" Effective port length per flared end, 13" per 2 flares without extra pipe. 7" Pipe included = 20" x 8" port
47" ^2 port area good for 2.9 (16in/ft) to 5.2 (9in/ft) cubes per port- Depending on how much port area you want.
8" Flared - 47 in port area
24.33" circumference / surface area per inch port length
vs.
3x15.6" Slot port- 47in port area
37.2" perimeter / surface area per inch port length
Having a round flared port equipped enclosure makes it possible to change the tuning and port area of your enclosure to have drastic impact on your subs excursion, thermal and mechanical power handling, SPL and SQ...
