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lordzet,
Infinity REF-1240W

DIAMETER: 12" (300MM)
SENSITIVITY (2.83 V @ 1 M): 93 dB
POWER HANDLING: 300 WRMS 1200 WPEAK
FREQUENCY RESPONSE: 23 ~ 400 HZ
NOMINAL IMPEDANCE: 4 OHMS
VOICE-COIL DIAMETER: 2.0" (51.0 MM)

THIELE-SMALL PARAMETERS
VOICE COIL DC RESISTANCE: REVC (OHMS) . . . . . . 3.40
VOICE COIL INDUCTANCE @ 1 KHZ: LEVC (MH) . . . . . . . 2.54
DRIVER RADIATING AREA: SD (IN2) . . . . . . . . 82.46
SD (M2) . . . . . . . 532.00
MOTOR FORCE FACTOR: BL ™ . . . . . . . . 14.24
COMPLIANCE VOLUME: VAS (FT3) . . . . . . . . 3.00
VAS (LITERS) . . . . . 84.40
SUSPENSION COMPLIANCE: CMS (?M/N) . . . . 210.00
MOVING MASS, AIR LOAD: MMS (GRAMS). . . . 187.60
MOVING MASS, DIAPHRAGM: MMD (GRAMS) . . . 180.60
FREE-AIR RESONANCE: FS (HZ) . . . . . . . . 25.40
MECHANICAL Q: QMS . . . . . . . . . . . 7.62
ELECTRICAL Q: QES . . . . . . . . . . . 0.50
TOTAL Q: QTS . . . . . . . . . . . .0.47
MAGNETIC-GAP HEIGHT: HAG (IN) . . . . . . . . 3/8
HAG (MM) . . . . . . . . 9.00
VOICE-COIL HEIGHT: HVC (IN) .. . . . . . . . 1-1/4
HVC (MM) . . . . . . . . . . 32
MAXIMUM EXCURSION: XMAX (IN) . . . . . . . . 7/16
XMAX (MM) . . . . . . 11.50


Vas = 84.4 литра
Qts = 0.47
Fs = 25.40 Гц