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Raptorman

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  1. RE: 3.8ohm Fs: 29.4 hz Qes: 0.57 Qms: 6.39 Qts: 0.52 Le: 1.83mH Vas: 147.7L BL: 15.6NA Cms: 0.15MM/N Mms: 195.9grams Sens: n/a 1w/1m Xmax: 12mm one-way linear RMS: 500 watts

    I can't fix my font after copy/pasting that so fuck it.

    What makes a driver suitable for a 4th order or not is it's EBP.


    EBP = 1/Qes * Fs

    Now that you have you EBP, you know what your speaker is suitable for!

    If the EBP is 100 or more, it’s best for ported boxes. (And 6th order bandpass)

    If the EBP is 50 or less, it’s best for sealed boxes. (And 4th order bandpass)

    If the EBP is between 50 & 100, it will work in either style boxes. (And either style bandpass)

    EBP is 51.57.

    Will work fine for a 4th.


    And you should tune that a little higher. The tuning point for 4th orders differs from typical vented boxes. The tuning point is actually the low-pass point. It will be attenuating frequencies above tuning.

    I say tune it around 45hz.

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