Specifications

Nominal Basket Diameter

8" / 200mm

Impedance

 4 ohms

AES Power Rating

250 Watts

Program Power             500 Watts 

Frequency Response

65Hz - 6.0kHz

Sensitivity (1W/1m)

95dB

Voice Coil Diameter

2.5" / 62.4mm

Recom. Enclosure Volume   .35-1.06 ft3  /  10-30 Liters

Voice Coil Length        16 mm

Air Gap Height               7 mm

X Damage (peak to peak)       23 mm

BL Factor          12.2 N/A

Magnetic Assembly Weight  6.6 lb. / 3 kg.

Mounting Information

Overall Diameter         8.35" / 212mm

Bolt Circle Diameter  7.8" / 198mm

Baffle Cutout Diameter-        

- Front Mount 7.125" / 181mm

- Rear Mount  7.125" / 181mm

No. Of Mounting Holes            8

Volume Displaced By Driver 0.05 ft3  /  2 Liters

Overall Depth 3.78" / 96mm

Net Weight       7.26 lb. / 3.3 kg.

Shipping Weight           7.6 lb. / 3.45 kg.

Materials

Basket Die-Cast Aluminum

Cone    Paper

Spider Treated Cotton Fiber

Surround           Treated Cloth

Voice Coil         Aluminum Wire

Former                Fiber Glass

Metal Parts      Anti-Corrosion

Magnet               High Currie Temperature Ferrite

Thiele-Small Parameters

Resonant Frequency (fs)        70 Hz

Impedance (Re)           6.1 ohms

Coil Inductance (Le)  1.3 mH

Mechanical Q (Qms) 6.83

Electrical Factor (Qes)             .38

Total Q (Qts)   .36

Comp. Equivelant Vol. (Vas) .6 ft3 / 17 Liters

Voice Coil Overhang (Xmax) 6.5 mm

Surface Area of Cone (Sd)m2             0.0220m2

Diaphragm Mass (Mms)         21 Grams

Reference Efficiency 1.5%

Displacement Volume (Vd)   99 cm3