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<blockquote data-quote="THATpurpleKUSH" data-source="post: 6993776" data-attributes="member: 615398">I picked up a mtx thunder 9510-44 for super cheap on craigslist. Their website and owners manual conflict box volumes and tunes for ported setups. Has anyone run these and what setups did you use. Judging from the high fs, its more of an spl sub and would require a higher tune(40-45hz), am I wrong here or what? Heres the t/s given in the manual:Fs: 41.10 HzQms: 3.11Cms: 0.074 mm/NMms: 203.00 gRms: 16.88 kg/sVas: 0.463 ft³ (13.11 liters)Xmax: 1.010 in (25.65 mm)D: 8.381 in (212.88 mm)Sd: 55.17 in² (355.92 cm²)Vd: 55.73 in³ (0.91 liters)Qes: 1.13Re: 1.81 ΩBl: 9.16 TmPrms: 750 WattsQts: 0.831ηο: 0.077 %SPLo: 81.09 dBSPL 2.83V/1m: 87.48 dBsuggested ported setup is 1.45cu/ft after sub disp. with 2x12 slot port thats 20&quot; long</blockquote>

[QUOTE="THATpurpleKUSH, post: 6993776, member: 615398"] I picked up a mtx thunder 9510-44 for super cheap on craigslist. Their website and owners manual conflict box volumes and tunes for ported setups. Has anyone run these and what setups did you use. Judging from the high fs, its more of an spl sub and would require a higher tune(40-45hz), am I wrong here or what? Heres the t/s given in the manual: Fs: 41.10 Hz Qms: 3.11 Cms: 0.074 mm/N Mms: 203.00 g Rms: 16.88 kg/s Vas: 0.463 ft³ (13.11 liters) Xmax: 1.010 in (25.65 mm) D: 8.381 in (212.88 mm) Sd: 55.17 in² (355.92 cm²) Vd: 55.73 in³ (0.91 liters) Qes: 1.13 Re: 1.81 Ω Bl: 9.16 Tm Prms: 750 Watts Qts: 0.831 ηο: 0.077 % SPLo: 81.09 dB SPL 2.83V/1m: 87.48 dB suggested ported setup is 1.45cu/ft after sub disp. with 2x12 slot port thats 20" long [/QUOTE]

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