1/4wave t-line box for two 8in subs

[Joemon 10+ year member]

this box is for a pair of Massive Audio "Hippos" 8in

heres what i got so far.

any changes that need to be made??

subs are in about 0.6cu with 51sqin of port and port is 78in long and the tune is the fs of 41hz

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