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  1. Image Dynamics IDQ15 D4 v2 build

    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...
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