8” High Performance Subwoofer

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  • Non-Pressed Paper cone
  • Double stitched foam surround
  • Dual poly-cotton dampeners
  • Die-cast aluminum vented basket
  • Rubber gasket trim ring
  • Large Gauge compression terminals
  • Protective magnet cover

Physical Structure

Outside Diameter (A) 8.76″ (222.56mm)
Mounting Depth (B) 5.33″ (135.50mm)
Cutout Diameter (C) 7.22″ (183.51mm)
General Specifications
Structure 8″ (20.3cm) Woofer
Dynamic Power Handling 1000 Watts
Nominal Power Handling 350 Watts
Impedance 2″ BASV High Temperature Voice Coil
Resonant Frequency (fs) 55.71Hz
D.C. Voice Coil Resistance (Re) 3.2Ω x 3.2Ω
Mechanical Quality Factor (Qms) 6.234
Electrical Quality Factor (Qes) 0.757
Total Quality Factor (Qts) 0.675
Equivalent Air Volume to Cms (Vas) 3.519 L
Mass of Diaphragm/Coil (Mms) 150.516 g
Force Factor (Bl) 10.550
Sound Pressure Level (SPL) 80.9 dB

Recommended Enclosures

Woofer Cut-out 7.22″ (183.51mm)
Mounting Depth 5.33″ (135.50mm)
Sealed Box 0.6 ft2 (16.99L)
Vented Box 0.9 ft2 (25.49L)
• Vent Area 7.7 in2 (45.6 cm2)
• Vent Length 14.7″ (37.33 mm)
• Tuning 38Hz
Dynamic Power 1000 Watts
Nominal Power 350 Watts


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