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Homebuilt subwoofer. It's a 10" JL Driver, 12" passive radiator, and a 150W plate amp all in a 15.25" cube. Boom!

Sizing spreadsheet - the sub ended up about .25L small of the 40.02L that WinISD said I needed.
Visio design for the cabinet
5 sides of the box plus the internal bracing is in place
5 sides of the box plus the internal bracing is in place
Back side
Back side
Biscuit holes are cut for the front panel
My custruction supervisor Joey
Joey's wife Justy - moral support
Countersunk hole for the 10" driver. The edges have been rounded over.
Countersunk hole for the 12" passive radiator
Countersunk mounting hole for the plate amp
Primer paint coat #1 is on
First coat of black is on
First coat of black is on

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