[. . . ] [. . . ] 15. 95 *VOICE COILS CONNECTED IN PARALLEL 90 Out-Of-Car 85 80 75 70 65 60 20 Frequency 50 100 Hz 200 500 1k C 2k SEALED TRANSDUCER EXCURSION @ 400 W 20. 0 Xd mM 17. 5 15. 0 12. 5 10. 0 7. 5 5. 0 2. 5 0. 0 20 Frequency 50 100 Hz 200 500 1k C 2k JBL Consumer Products · 250 Crossways Park Drive · Woodbury, NY 11797 · VOICE: 516-496-3400 · FAX: 516-496-4868 · www. jbl. com P1020D 10" Woofer ­ Technical Data VENTED BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS) SEALED BANDPASS BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS) Port length = 11. 96" length = 6. 81" Port fo = 25. 0 Hz fo = 47. 0 Hz P1020D (side view) P1020D (side view) diam. = 4" VBOX = 1. 75 ft3 (49. 56 liters) diameter = 3" (stuffed with loosely-packed fiberfill) VREAR = 1. 75 ft3 (49. 56 liters) (stuffed with loosely-packed fiberfill) VFRONT = 1. 25 ft3 (35. 40 liters) (stuffed with loosely-packed fiberfill) VENTED FREQUENCY RESPONSE @ 2. 83 V 115 dB In-Car 12 dB LP @ 80 Hz 110 105 110 SEALED BANDPASS FREQUENCY RESPONSE @ 2. 83 V dB In-Car 12 dB LP @ 80 Hz 105 100 Out-Of-Car 100 Out-Of-Car 95 95 90 90 85 85 80 80 75 75 20 Frequency 50 100 Hz 200 500 1k C 70 20 Frequency 50 100 Hz 200 500 1k C 2k 2k VENTED TRANSDUCER EXCURSION @ 400 W 40 Xd mM 40 35 35 SEALED BANDPASS TRANSDUCER EXCURSION @ 400 W Xd mM 30 30 25 25 20 20 15 15 10 10 5 5 0 20 Frequency 50 100 Hz 200 500 1k C 0 20 Frequency 50 100 Hz 200 500 1k C 2k 2k JBL Consumer Products · 250 Crossways Park Drive · Woodbury, NY 11797 · VOICE: 516-496-3400 · FAX: 516-496-4868 · www. jbl. com [. . . ] [. . . ]