Specification
Nominal Basket Diameter | |
Nominal Impedance | |
Max Power Rating | 400 Watts |
Resonance | 319 Hz |
Usable Frequency Range | 280 Hz - 6 kHz |
Sensitivity | 97 dB (2.83V/1M) |
Magnet Weight | 50 oz. |
Voice Coil Diameter | 1.97”, 50 mm |
Thiele & Small Parameters
Resonant Frequency (Fs) | 319 Hz |
DC resistance (Re) | 6.8 Ohms |
Coil Inductance at Fs (Lces) | 1.179 mH |
Mechanical Q (Qms) | 5.72 |
Electromagnetic Q (Qes) | 2.88 |
Total Q (Qts) | 1.91 |
Compliance Equivalent Volume (Vas) | |
Mechanical Compliance of Suspension (Cms) | |
BL Product (BL) | |
Diaphragm Mass (Mmd) | |
Maximum Linear Excursion (Xmax) | 4.0mm |
Surface Area of Cone (Sd) |
Mounting Information
Recommended Enclosure Volume
Sealed |
|
Vented | |
Overall Diameter | |
Cut Out Diameter | |
Front Sealing Gasket | fitted as standard |
Rear Sealing Gasket | fitted as standard |
Mounting Holes Diameter | 5/16” x 3/8” , 7 mm x 9 mm |
Mounting Depth |
Materials of Construction
Aluminum voice coil
Polyimide former
Ferrite magnet
Vented and extended core
Stamped steel basket
Paper cone
Cloth surround
Solid composition paper dust cap
Sound That Will Move You.
Earthquake EQ12S8 Pro Audio Series
Earthquake Sound Corporation
2727 McCone Avenue • Hayward, CA 94545 • phone:
fax: