Here at Audioholics, we have a great affinity for bass. Unfortunately, getting copious amounts of deep bass usually requires a fair amount of cash. However, if you’re comfortable with a bit of woodworking, there is a cheaper alternative: DIY.
Here we’ll look at how to design and build a DIY sealed subwoofer. Sealed subwoofers have a few important advantages for the DIYer. First and foremost, they’re relatively easy to build compared to a vented box or a more exotic alignment like a tapped horn or transmission line. The sealed alignment is also relatively tolerant of minor changes in box volume and driver-to-driver manufacturing variations. Last but not least, they need less protection than ported subs, which can quickly overload below their tuning point. On the down side, without a port to augment system output, you need a meatier driver to achieve solid deep bass.
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