Earthquake Sound EQ8S8 User Manual
Specification
Nominal Basket Diameter
Nominal Impedance
Power Rating
Resonance
Usable Frequency Range
Sensitivity
Magnet Weight
Voice Coil Diameter
Thiele & Small Parameters
Resonant Frequency (fo)
DC resistance (Re)
Coil Inductance (Le)
Mechanical Q (Qms)
Electromagnetic Q (Qes)
Total Q (Qts)
Compliance Equivalent Volume (Vas)
.75 liters / .0624 cu.ft.
Mechanical Compliance of Suspension (Cms)
BL Product (BL)
Diaphragm Mass (Mmd)
Maximum Linear Excursion (Xmax)
Surface Area of Cone (Sd)
Mounting Information
Recommended Enclosure Volume
Sealed
Vented
Overall Diameter
Cut Out Diameter
Front Sealing Gasket
Rear Sealing Gasket
fitted as standard
fitted as standard
Mounting Holes Diameter
Depth
Materials of Construction
Copper voice coil
Polyimide former
Ferrite magnet
Vented and extended core
Stamped steel basket
Paper cone
Cloth surround
Solid composition paper dust cap
8-3/16", 209mm
8-Ohms
80 Watts
395Hz
395Hz - 5kHz
96.3 dB
42.2 oz.
1.5" 38.6mm
395Hz ±15%
6.5 Ohms
367.888m mH
3.896
1.662
1.165
11.806mm/N
11.557 T-M
12.001 grams
1.6 mm
211.241 cm
liters/ ft3
liters/ ft3
8 3/16", 209mm
7 1/8", 181mm
4-5.5 x 10mm
2-15/16", 88mm
Sound That Will Move You
Earthquake EQ8S8 Pro Audio Series
dBSPL
110
100
90
80
70
60
50
40
30
20 Hz 50 100 200 500 1K 2K 5K 10K 20K
SPL vs Freq
Earthquake Sound Corporation
2727 McCone Avenue • Hayward, CA 94545 • phone: 800-576-7944
fax: 510-732-1095 • www.earthquakesound.com
Ohm
50
40
30
20
10
9
8
7
6
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