Earthquake EQ5S8 Pro Audio Series
Specification
Nominal Basket Diameter
Nominal Impedance
Max Power Rating
Resonance
Usable Frequency Range
Sensitivity
Magnet Weight
Voice Coil Diameter
5", 127mm
8-Ohms
100 Watts
503Hz ±15%
300Hz - 14kHz
96 dB
30 oz.
1-3/16", 30mm
5", 127mm
4-13/16”,122.3mm
Sound That Will Move You.
Thiele & Small Parameters
Resonant Frequency (Fo)
503Hz
DC resistance (Re)
6.5 Ohms
Coil Inductance (Le)
1.257 mH
11.286
Mechanical Q (Qms)
Electromagnetic Q (Qes)
1.635
Total Q (Qts)
1.428
Compliance Equivalent Vol (Vas) 0.165 liters / 0.006 cu. ft.
Mechanical Compliance of Suspension (Cms) 0.018 mm/N
BL Product (BL)
8.434 T-m
Diaphragm Mass (Mmd)
5.236 grams
Maximum Linear Excursion (Xmax)
2 mm
Surface Area of Cone (Sd)
0.0082 sqM
2-1/8", 53.4mm
4-3/8", 112.5mm
Earthquake EQ5S8 Pro Audio Series
Mounting Information
Recommended Enclosure Volume
Sealed
2.8-5.6 liters/0.1-0.2 cu.ft.
Vented
3.4-15.6 liters/0.12-0.55 cu.ft.
Overall Diameter
5", 127mm
Cut Out Diameter
4-3/8 ", 112.5mm
Front Sealing Gasket
fitted as standard
Rear Sealing Gasket
fitted as standard
Mounting Holes Diameter
4-13/16”, 122.3mm
Mounting Depth
2-1/8", 53.4mm
Materials of Construction
Copper voice coil
Polyimide former
Ferrite magnet
Extended core
Stamped steel sealed back basket
Pulp fiber cone
Cloth surround
Solid composition paper dust cap
Earthquake Sound Corporation
2727 McCone Avenue • Hayward, CA 94545 • phone: 800-576-7944
fax: 510-732-1095 • www.earthquakesound.com
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