JBL GT1241D Technical Data Manual

Also see for GT1241D: Owner's manual

Contents

specifications

JBL GT1241D Technical Data Manual Manual pdf 1 page image

SPECIFICATIONSDIAMETER: 12" (304.8 MM)SENSITIVITY (2.83 V @ 1 M): 93 dBPOWER HANDLING: 300 WRMSFREQUENCY RESPONSE: 18 ~ 500 HZNOMINAL IMPEDANCE: 4 OHMS (PER COIL)VOICE-COIL DIAMETER: 2.0" (50.7 MM)DIMENSIONS:THIELE-SMALL PARAMETERS*VOICE COIL DC RESISTANCE: R EVC (OHMS) . . . . . . 1.92VOICE COIL INDUCTANCE @ 1 KHZ: L EVC (M H) . . . . . . . 1.33DRIVER RADIATING AREA: S D (IN 2) . . . . . . . . 82.46S D (CM2) . . . . . . 532.00MOTOR FORCE FACTOR: B L (TM) . . . . . . . . . 9.09COMPLIANCE VOLUME: VAS (FT3) . . . . . . . . 5.17VAS (LITERS) . . . . 146.33SUSPENSION COMPLIANCE: C MS (μM/N) . . . . 354.09MOVING MASS, AIR LOAD: MMS (GRAMS). . . . 143.74MOVING MASS, DIAPHRAGM: MMD (GRAMS) . . . 136.69FREE-AIR RESONANCE: FS (HZ) . . . . . . . . 22.00MECHANICAL Q: Q MS . . . . . . . . . . . 8.35ELECTRICAL Q: Q ES . . . . . . . . . . . . 0.46TOTAL Q: Q TS . . . . . . . . . . . . 0.44MAGNETIC-GAP HEIGHT: HAG (IN) . . . . . . . . . 0.31HAG (MM) . . . . . . . . 7.92VOICE-COIL HEIGHT: HVC (IN) . . . . . . . . . 1.25HVC (MM) . . . . . . . 31.75MAXIMUM EXCURSION: X MAX (IN) . . . . . . . .0.47X MAX (MM) . . . . . . 11.91*VOICE COILS CONNECTED IN PARALLELSEALED BOX VOLUME(INCLUDES DRIVER DISPLACEMENT)SEALEDFREQUENCY RESPONSE @ 2.83 VSEALEDEXCURSION/GROUP DELAY @ 300 WHarman Consumer Group • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-496-3400 • FAX: 516-496-4868 • www.jbl.comGT1241D 12" Woofer – Technical Datamounting depth6.00" (152.00 mm)cutout diameter11.125" (283.00 mm)outer diameter12.00" (304.80 mm)VBOX = 1.25 ft3 (35.40 liters)(all sides lined with 1-inch fiberglass or fiberfill)GT1241D(side view)CdB100959085807570656020 Frequency 50 100 Hz 200 500 1k 2 kOut-Of-CarIn-Car12 dB LP @ 80 HzCXd mM20.017.515.012.510.07.55.02.50.0T mSec 10.07.55.02.50.0-2.5-5.0-7.5-10.020 Frequency 50 100 Hz 200 500 1k 2 kTransducer ExcursionGroup Delay

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