FEATURES:
Fiberglass Cone - Remains rigid through useable frequency range
Neodymium Magnet - Reduces mounting depth and weight
Vented Polepiece and Magnetic Gap - Reduces mechanical noise
Flat Spider - Reduces distortion
Copper Shorting Ring - Reduces distortion and improves midbass
 
SPECS:
Power Handling (Continuous Average): 250 Watts
Power Handling (Music): 500 Watts
Recommended Amplifier RMS Power Range: 100 Watts to 400 Watts
Nominal Impedance: 1 Ohm or 4 Ohm
Sensitivity (2.83V/1M): 91dB
Frequency Response (-3 dB): 30Hz - 300Hz
Xmax (Linear 1-Way): 10mm
 
DIMENSIONS:
Mounting Depth: 78mm (3-1/16")
Mounting Height: 11mm (7/16")
Overall Diameter: 208mm (8-3/16")
Cut-Out Diameter: 178mm (7")
Bolt Hole Circle Diameter: 197mm (7-3/4")
Basket Displacement: 0.47 Litre (0.017 cu.ft.)
 
RECOMMENDED ENCLOSURES:
Sealed Box Subwoofer or Midbass: 7-11 Litres ( 0.25-0.4 cu. Ft.)
Vented Box Subwoofer: 15-21 Litres (0.5-0.75 cu.ft.)
Infinite Baffle Subwoofer: With 29Hz 12dB/oct. high pass filter
Infinite Baffle Midbass: With appropriate high pass filter