Thiele-small ParametersVoice Coil Dc Resistance: Revc (ohms) . . . . . . 1.90
Voice Coil Inductance @ 1 Khz: Levc (mh) . . . . . . . 1.10
Driver Radiating Area: Sd (in2) . . . . . . . . 55.03
Sd (m2) . . . . . . . 355.00
Motor Force Factor: Bl . . . . . . . . 9.90
Compliance Volume: Vas (ft3) . . . . . . . . 1.51
Vas (liters) . . . . . 42.66
Suspension Compliance: Cms (μm/n) . . . . 237.00
Moving Mass, Air Load: Mms (grams). . . . 139.40
Moving Mass, Diaphragm: Mmd (grams) . . . 135.50
Free-air Resonance: Fs (hz) . . . . . . . . 27.70
Mechanical Q: Qms . . . . . . . . . . . 6.89
Electrical Q: Qes . . . . . . . . . . . 0.47
Total Q: Qts . . . . . . . . . . . . 0.44
Magnetic-gap Height: Hag (in) . . . . . . . . 3/8
Hag (mm) . . . . . . . . 9.00
Voice-coil Height: Hvc (in) . . . . . . 1-5/16
Hvc (mm) . . . . . . . . . . 34
Maximum Excursion: Xmax (in) . . . . . . . . 1/2
Xmax (mm) . . . . . . 12.50
http://manuals.harman.com/JBL/CAR/Boxes%20and%20Parameters/GTO%201004D%20Enclosure.pdf