Got specs, need help with enclosure for these Polk 8's

[Ridinhi 5,000+ posts]

4 ohm

freq response 20-300 hz

fs (hz) 44.64 hz

re:3.73 ohm

le:1.57 mh

qms: 11.43

qes: .57

qts: .54

vas: (cubic feet) .66 ft/3

vas: (liters) 18.51L

power handling: (continuous) 125w

power handing (peak) 300w

1.5" voice coil

mounting depth: 3 7/8" top mount 4 1/4 bottom mount

mount diam. 7 1/8"

xmax: .177"

sensitivity: 90db

Can anyone give me an idea on what size enclosure these would need ported?

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