Specification
Nominal Basket Diameter | 8", 203.2mm |
Nominal Impedance | |
Power Rating | 80 Watts |
Resonance | 68Hz ±15% |
Usable Frequency Range | 68Hz - 10kHz |
Sensitivity | 97 dB |
Magnet Weight | 43.7 oz. |
Voice Coil Diameter | 2" 50.8mm |
Thiele & Small Parameters
Resonant Frequency (fo) | 87.763 Hz |
DC resistance (Re) | 3.800 Ohms |
Coil Inductance (Le) | 272.716 mH |
Mechanical Q (Qms) | 6.324 |
Electromagnetic Q (Qes) | 0.330 |
Total Q (Qts) | 0.313 |
Compliance Equivalent Volume (Vas) | 21.004 liters/ft3 |
Mechanical Compliance of Suspension (Cms) 316.733mm/N
BL Product (BL) | 8.002 |
Diaphragm Mass (Mmd) | 16.843 grams |
Maximum Linear Excursion (Xmax) | 4 mm |
Surface Area of Cone (Sd) | 218.424 sqM |
8 6/25", 209.5mm
Sound That Will Move You.
3 51/100" |
89.3mm |
7 2/25", 180mm |
Earthquake EQ8 Pro Audio Series
Mounting Information
Recommended Enclosure Volume
Sealed
Vented
Overall Diameter
Cut Out Diameter
Front Sealing Gasket
Rear Sealing Gasket
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
liters/ ft3 liters/ ft3 8 6/25", 209.5mm
7 2/25", 180mm fitted as standard fitted as standard
.19" x .35", 5 x 9mm 3 51/100", 89.3mm
Earthquake Sound Corporation
2727 McCone Avenue • Hayward, CA 94545 • phone:
fax:
