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
