Thiele-Small Specifications - JBL 408GTI Installation Manual

Thiele-Small Specifications:

Free Air Resonance (Fs):
Electrical Damping (Qes):
Mechanical Damping (Qms):
Total Damping (Qt):
Equivalent Volume of Compilance (Vas):
Effective Cone Area (Sd):
Center to Peak Linear Excursion (Xmax):
Voice Coil DC Resistance (Re):
Voice Coil Inductance (Le):
Voice Coil Diameter:
Voice Coil Length (Winding Length):
Air Gap Height:
BL Product:
Effective Moving Mass (Mm):
Note: The Thiele-Small specifications shown apply only after a break-in period of approximately 2 hours.
JBL continually strives to impove its products. New materials, production methods and other refinements may result in a change from published
specifications and description. The changes will equal or exceed the original specifications, unless otherwise stated.
408 GTi
125Hz
0.52
5.17
0.47
0.0388 cu. ft. (1.10 liters)
9.3 sq. inches (0.0060 m 2 )
0.126 inches (3.2mm)
3.4 ohms
0.22mH @ 1kHz
2 inches (51mm)
0.400 inches (10.2mm)
0.200 inches (5.1mm)
6.2 T/M
0.28 oz. (8.0 grams)
508 GTi
100Hz
0.51
5.14
0.4
0.1059 cu. ft. (3.0 liters)
14.26 sq. inches (0.0092 m 2 )
0.126 inches (3.2mm)
3.4 ohms
0.22mH @ 1kHz
2 inches (51mm)
0.400 inches (10.2mm)
0.200 inches (5.1mm)
6.2 T/M
0.32 oz. (9.0 grams)
17