SPECIFICATIONSDIAMETER: 15" (381 MM )SENSITIVITY (2.83 V @ 1 M): 93 dBPOWER HANDLING: 300 W 1200 W PEAKRMSFREQUENCY RESPONSE: 23 ~ 400 HZNOMINAL IMPEDANCE: 1 or 4 OHMSVOICE-COIL DIAMETER: 2.0" (51.0 MM)DIMENSIONS:THIELE-SMALL PARAMETERSVOICE COIL DC RESISTANCE: R EVC (OHMS) . . . . . . 0.96VOICE COIL INDUCTANCE @ 1 KHZ: L EVC (M H) . . . . . . . 0.50DRIVER RADIATING AREA: S D (IN 2) . . . . . . . 132.53S D (M2) . . . . . . . 855.00MOTOR FORCE FACTOR: B L (TM) . . . . . . . . 8.20COMPLIANCE VOLUME: VAS (FT3) . . . . . . . . 6.04VAS (LITERS) . . . . 171.00SUSPENSION COMPLIANCE: C MS (μM/N) . . . . 164.70MOVING MASS, AIR LOAD: MMS (GRAMS). . . . 246.90MOVING MASS, DIAPHRAGM: MMD (GRAMS) . . . 232.50FREE-AIR RESONANCE: FS (HZ) . . . . . . . . 25.00MECHANICAL Q: Q MS . . . . . . . . . . . 6.08ELECTRICAL Q: Q ES . . . . . . . . . . . 0.55TOTAL Q: Q TS . . . . . . . . . . . . 0.51MAGNETIC-GAP HEIGHT: HAG (IN) . . . . . . . . 3/8HAG (MM) . . . . . . . . 9.00VOICE-COIL HEIGHT: HVC (IN) . . . . . . . . . 1.00HVC (MM) . . . . . . . . . . 26MAXIMUM EXCURSION: X MAX (IN) . . . . . . . 5/16X MAX (MM) . . . . . . . 8.50SEALED BOX VOLUME(INCLUDES DRIVER DISPLACEMENT)SEALED ENCLOSUREFREQUENCY RESPONSE @ 2.83 VSEALED ENCLOSURE CONEEXCURSION @ 300 WHarman Consumer Group • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-674-4463 • www.infinitysystems.commounting depth5-5/8" (143 mm)cutout diameter13-7/16" (341mm)outer diameter15-1/16" (383mm)VBOX = 1.5 ft 3 (42.48 liters)JBL GTO 1502D(side view)20 Hz 30 40 50 60 70 80 90 100 200 30020 Hz 30 40 50 60 70 80 90 100 200 300dBSPL556065707580859095100105M5u10u20u50u100u200u500u1m2m5m10m20m30mOut-Of-CarIn-Car12 dB LP @ 80 HzGTO 1502D 15" Woofer – Technical Data