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<blockquote data-quote="Rmjimbob" data-source="post: 6796136" data-attributes="member: 621234"><p>I'm trying to compare these two subs to be put in a .85cuft sealed box. An Infinity kappa perfect 12 vq and a Fi audio SSD 12. What makes these two subs different?</p><p></p><p>Infinity Kappa Perfect 12 VQ</p><p></p><p>Diameter 12" (300mm)</p><p></p><p>Sensitivity @ 2.83V/1m 89dB</p><p></p><p>Power Handling 400W RMS/1600W Peak</p><p></p><p>Frequency Response 23Hz – 400Hz</p><p></p><p>Impedance per voice coil 4 ohms</p><p></p><p>Voice-Coil Diameter 3" (77mm)</p><p></p><p>Mounting Depth 7" (178mm)</p><p></p><p>Overall Diameter 12-3/8" (315mm)</p><p></p><p>Cut-Out Diameter 10-7/8" (277mm)</p><p></p><p>Basket Displacement .108 ft^3 (3.06 L)</p><p></p><p>Voice-Coil DC Resistance Revc 3.42 ohms</p><p></p><p>Voice-Coil Inductance Levc 1.14mH</p><p></p><p>Driver Radiating Area Sd .441 ft2 (.0491M^2)</p><p></p><p>Motor Force Factor BL w/LowQ Insert 15.55</p><p></p><p>w/MidQ Insert 12.19</p><p></p><p>w/No Insert 9.67</p><p></p><p>Compliance Volume Vas 3.38 ft3 (96.43 L)</p><p></p><p>Suspension Compliance Cmd 281.68uM/N</p><p></p><p>Moving Mass, Air Load Mms 182.7g</p><p></p><p>Moving Mass, Diaphragm Mmd 176.44g</p><p></p><p>Free-Air Resonance Fs 22.19Hz</p><p></p><p>Mechanical Q Qms 10.29</p><p></p><p>Electrical Q Qes w/LowQ Insert .36</p><p></p><p>w/MidQ Insert .5</p><p></p><p>w/No Insert .79</p><p></p><p>Total Q Qts w/LowQ Insert .34</p><p></p><p>w/MidQ Insert .47</p><p></p><p>w/No Insert .74</p><p></p><p>Magnetic-Gap Height Hag 3/8" (10mm)</p><p></p><p>Voice-Coil Height Hvc 1-11/16" (43.5mm)</p><p></p><p>Maximum One-Way Linear Excursion 11/16" (16.75mm)</p><p></p><p>Fi SSD 12</p><p></p><p>Fs: 30.1 Hz | 30.1</p><p></p><p>Hz Re: 0.7 Ohms/coil | 1.4 Ohms/coil</p><p></p><p>Qms: 7.65 | 7.65</p><p></p><p>Qes: .37 | .37</p><p></p><p>Qts: .36 | .36</p><p></p><p>Mms: 248g | 248g</p><p></p><p>Cms: 0.11mm/N | 0.11mm/N</p><p></p><p>Sd: 480cm^2 | 480cm^2</p><p></p><p>Vas: 36.5 l | 36.5 l</p><p></p><p>Spl: 86.1dB 1W/1m | 86.1dB 1W/1m</p><p></p><p>Bl: 13.1 N/A | 18.7 N/A</p><p></p><p>Xmax: 21mm</p><p></p><p>Rms: 800W</p><p></p><p>Sealed box: .7-1.2 cuft</p><p></p><p>Ported box: 1.8-2.5 cuft @ 33Hz</p><p></p><p>Sub OD: 12.500”</p><p></p><p>Cut ID: 11.125”</p><p></p><p>Mounting depth: 6.500”</p><p></p><p>Displacement: 0.14cuft</p></blockquote><p></p>
[QUOTE="Rmjimbob, post: 6796136, member: 621234"] I'm trying to compare these two subs to be put in a .85cuft sealed box. An Infinity kappa perfect 12 vq and a Fi audio SSD 12. What makes these two subs different? Infinity Kappa Perfect 12 VQ Diameter 12" (300mm) Sensitivity @ 2.83V/1m 89dB Power Handling 400W RMS/1600W Peak Frequency Response 23Hz – 400Hz Impedance per voice coil 4 ohms Voice-Coil Diameter 3" (77mm) Mounting Depth 7" (178mm) Overall Diameter 12-3/8" (315mm) Cut-Out Diameter 10-7/8" (277mm) Basket Displacement .108 ft^3 (3.06 L) Voice-Coil DC Resistance Revc 3.42 ohms Voice-Coil Inductance Levc 1.14mH Driver Radiating Area Sd .441 ft2 (.0491M^2) Motor Force Factor BL w/LowQ Insert 15.55 w/MidQ Insert 12.19 w/No Insert 9.67 Compliance Volume Vas 3.38 ft3 (96.43 L) Suspension Compliance Cmd 281.68uM/N Moving Mass, Air Load Mms 182.7g Moving Mass, Diaphragm Mmd 176.44g Free-Air Resonance Fs 22.19Hz Mechanical Q Qms 10.29 Electrical Q Qes w/LowQ Insert .36 w/MidQ Insert .5 w/No Insert .79 Total Q Qts w/LowQ Insert .34 w/MidQ Insert .47 w/No Insert .74 Magnetic-Gap Height Hag 3/8" (10mm) Voice-Coil Height Hvc 1-11/16" (43.5mm) Maximum One-Way Linear Excursion 11/16" (16.75mm) Fi SSD 12 Fs: 30.1 Hz | 30.1 Hz Re: 0.7 Ohms/coil | 1.4 Ohms/coil Qms: 7.65 | 7.65 Qes: .37 | .37 Qts: .36 | .36 Mms: 248g | 248g Cms: 0.11mm/N | 0.11mm/N Sd: 480cm^2 | 480cm^2 Vas: 36.5 l | 36.5 l Spl: 86.1dB 1W/1m | 86.1dB 1W/1m Bl: 13.1 N/A | 18.7 N/A Xmax: 21mm Rms: 800W Sealed box: .7-1.2 cuft Ported box: 1.8-2.5 cuft @ 33Hz Sub OD: 12.500” Cut ID: 11.125” Mounting depth: 6.500” Displacement: 0.14cuft [/QUOTE]
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