That's some beautiful work. I have a Klipsch LF-10 sub, 10" woofer, 2 x 10" passive radiators, but the cabinet is not nearly as good looking as yours.

The LF-10's amplifier is rated: Maximum Output Power-1000 watts
FTC Rated Power - 500 watts continuous into 10 ohms. The LF-10 is a very nice sub. I bought it because the reviewer of the Axiom M3Tis used the Klipsch with it and loved the combination.

I don't think the Klipsch cabinet is as large as yours either.

Nice work.

Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.