17
Thiele-Small Specifications:
408 GTi
508 GTi
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):
9.3 sq. inches (0.0060 m
2
)
14.26 sq. inches (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.
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.
408/508 MANUAL.QXP 7/17/98 11:21 AM Page 17
Содержание 408GTI
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Страница 9: ...9 D C Figure G WEETER SURFACE ANGLE INSTALLATION...
Страница 11: ...11 Figure J E TER FLUSH ANGLE NSTALLATION...
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Страница 20: ...23 Cut Hole Using 21 8 21 4 54mm hole saw TWEETER FLUSH MOUNT TEMPLATE...
