Okay, she wants the Infinity 12s. I've been trying to plug these numbers in to WinISD but it's telling me a 2.6 cu ft. box tuned to 24hz. I'm sort of a novice at this, but is that right? Infinity says 2 cu ft. tuned to 32hz. But they also say a 4x10" round port and that doesn't exactly come out to 32hz either.
THIELE-SMALL PARAMETERS
SENSITIVITY (2.83V @ 1M):93db
DIAMETER: 12" (300MM)
NOMINAL IMPEDANCE: 4 OHMS
VOICE COIL DCRESISTANCE: REVC (OHMS) . . . . . . 3.59
VOICE COIL INDUCTANCE @ 1KHZ: LEVC (MH) . . . . . . . 2.89
DRIVER RADIATING AREA: SD (IN2) . . . . . . . . 82.30
SD (M2) . . . . . . . 531.00
MOTOR FORCE FACTOR: BL . . . . . . . . 16.90
COMPLIANCE VOLUME: VAS (FT3) . . . . . . . . 2.92
VAS (LITERS) . . . . . 82.96
SUSPENSION COMPLIANCE: CMS (μM/N) . . . . 206.00
MOVING MASS, AIR LOAD: MMS (GRAMS). . . . 222.00
MOVING MASS, DIAPHRAGM: MMD (GRAMS) . . . 214.00
FREE-AIR RESONANCE: FS (HZ) . . . . . . . . 23.50
MECHANICAL Q: QMS . . . . . . . . . . . 6.99
ELECTRICAL Q: QES . . . . . . . . . . . 0.41
TOTAL Q: QTS . . . . . . . . . . . . 0.39
MAGNETIC-GAP HEIGHT: HAG (IN) . . . . . . . . 0.314
HAG (MM) . . . . . . . . 8.00
VC (IN) .. . . . . . . . . 1.34
HVC (MM) . . . . . . . . . . 34
XMAX (MM) . . . . . . 13.00