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Thiele-Small Specifications: 400GTi 500GTi
Free Air Resonance (Fs): 125Hz 100Hz
Electrical Damping (Qes): 0.52 0.51
Mechanical Damping (Qms): 5.17 5.14
Total Damping (Qt): 0.47 0.4
Equivalent Volume of Compilance (Vas): 0.0388 cu. ft. (1.10 liters) 0.1059 cu. ft. (3.0 liters)
Effective Cone Area (Sd): (0.0060 m
2
) (0.0092 m
2
)
Center to Peak Linear Excursion (Xmax): 0.126 inches (3.2mm) 0.126 inches (3.2mm)
Voice Coil DC Resistance (Re): 3.4 ohms 3.4 ohms
Voice Coil Inductance (Le): 0.22mH @ 1kHz 0.22mH @ 1kHz
Voice Coil Diameter: 2 inches (51mm) 2 inches (51mm)
Voice Coil Length (Winding Length): 0.400 inches (10.2mm) 0.400 inches (10.2mm)
Air Gap Height: 0.200 inches (5.1mm) 0.200 inches (5.1mm)
BL Product: 6.2 T/M 6.2 T/M
Effective Moving Mass (Mm): 0.28 oz. (8.0 grams) 0.32 oz. (9.0 grams)
Note: The Thiele-Small specifications shown apply only after a break-in period of approximately 2 hours.
JBLcontinually strives to improve 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.
400/600 MANUAL.QXP 7/17/98 11:10 AM Page 11