JBL P1224 Technical Data Manual

Also see for P1224: Owner's manual Specification sheet

Contents

specifications

SPECIFICATIONSDIAMETER: 12" (305 MM )SENSITIVITY (2.83 V @ 1 M): 94 dBPOWER HANDLING: 400 W 1600 W PEAKRMSFREQUENCY RESPONSE: 23 ~ 450 HZNOMINAL IMPEDANCE: 4 OHMS (PER COIL)VOICE-COIL DIAMETER: 3.0" (76.2 MM)DIMENSIONS:THIELE-SMALL PARAMETERSVOICE COIL DC RESISTANCE: R EVC (OHMS) . . . . . . 2.00VOICE COIL INDUCTANCE @ 1KHZ: L EVC (M H) . . . . . . . 1.60DRIVER RADIATING AREA: S D (IN 2) . . . . . . . . 87.11S D . . . . . . 562.00MOTOR FORCE FACTOR: B L (TM) . . . . . . . . 12.88COMPLIANCE VOLUME: VAS (FT3) . . . . . . . . 1.93VAS (LITERS) . . . . . 54.60SUSPENSION COMPLIANCE: C MS (μM/N) . . . . 121.00MOVING MASS, AIR LOAD: M MS (GRAMS). . . . 286.70MOVING MASS, DIAPHRAGM: MMD (GRAMS) . . . 279.00FREE-AIR RESONANCE: FS (HZ) . . . . . . . . 27.00MECHANICAL Q: Q MS . . . . . . . . . . . 7.40ELECTRICAL Q: Q ES . . . . . . . . . . . . 0.58TOTAL Q: Q TS . . . . . . . . . . . . 0.54MAGNETIC-GAP HEIGHT: HAG (IN) . . . . . . . . 0.48HAG (MM) . . . . . . . 12.00VOICE-COIL HEIGHT: HVC (IN) .. . . . . . . . 1.58HVC (MM) .. . . . . . 40.00M*VOICE COIL CONNECTED IN PARALLELAXIMUM EXCURSION: X MAX (IN) . . . . . . . . .56X MAX (MM) . . . . . . 14.00SEALED ENCLUSURE VOLUME(INCLUDES DRIVER DISPLACEMENT)SEALED ENCLOSUREFREQUENCY RESPONSE @ 2.83 VSEALED ENCLOSURE TRANSDUCEREXCURSION @ 400 WJBL Consumer Group • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-496-3400 • FAX: 516-496-4868 • www.jbl.comP1224 12" Woofer – Technical Datamounting depth6-3/4" (171 mm)cutout diameter11-1/16" (281mm)outer diameter14-5/8" (371mm)VBOX = 1.00 ft3 (28.32 liters)P1224(side view)20 Hz 30 40 50 60 70 80 90 100 200 30020 Hz 30 40 50 60 70 80 90 100 200 300dBSPLM5u10u20u50u100u200u500u1m2m5m10m20m30mIn-Car12 dB LP @ 80 HzOut-Of-Car®(stuffed with loose-packed fiberfill)65707580859095100105110115( CM 2)

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