This is a solid box. It really is 0.75” throughout. Very well constructed. Very rare find to get just over a net cubic foot for a prefab box in this price range. I’m giving it a 4/5 because it was tuned way too high for my taste. It’s tuned to around 44/45 hz. Luckily the Port width is 1.5 “ so I was able to tune it with a 2x4. See pic. It sounds fantastic.
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