What is this tuned to?

[sobe3yourself. 10+ year member]

What would this box be tuned to?

I picked this up with two tang band 6.5" subs and it sounds amazing! Loud and Low.

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[sobe3yourself. 10+ year member]

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[RAM_Designs 5,000+ posts]

Looks like a t-line, assuming the subs would be facing toward you in the center of the box.

 

[Buck 5,000+ posts]

Yep, looks like a t-line.