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  1. Sealed Subwoofer Build Projects
    I've been working on the next gen of my home subwoofer, figured I'd post it to add to the collection. Driver: Image Dynamics IDQ15 D4 v2 Fs = 21.5 Qes = .309 Qms = 6.1 Qts = .280 Vas = 258 liters Xmax = 13.5mm (linear excursion) Xlim = 25mm (spider's very non-linear, so not easily getting to...