• Free Air Resonance (Fs): 30.6 Hz
• Electrical “Q” (Qes): 0.578
• Mechanical “Q” (Qms): 7.647
• Total Speaker “Q” (Qts): 0.537
• Equivalent Compliance (Vas): 1.28 cu. ft. / 36.1 liters
• One-Way, Linear Excursion (Xmax)*: 0.9 in. / 23 mm
• Reference Efficiency (no): 0.171%
• Efficiency (1W/1m)**: 84.3 dB SPL
• Effective Piston Area (Sd): 59.8 sq. in. / 0.0386 sq. m.
• DC Resistance (Re): 2.75 ohm
• Nominal Impedance (Znom): 3 ohm
• Thermal Power Handling (Pt): 750W
• Driver Displacement: 0.09 cu. ft. / 2.5 liters
• Net Weight: 30 lbs. / 13.6 kg

1) Car AudioSecurity Ltd is a UK based company. ALL items are shipped form the UK.
2) All NEW Products come complete with at least 12 months warranty - Ex-Demo warranties differ.
3) All goods shipped are sent via an insured service to give you (and us) peace of mind - no extra hidden charges!
4) All products sold are GENUINE UK products bought direct from manufacturers
5) We have a dedicated returns & customer service department to help you with any problems you may have with your products - 08707 55 11 22
6) Collection welcome for winning bidders from our Industry leading - state of the art showroom and demo-room for car audio & home AV products
7) All shipping charges are shown for mainland UK ONLY - Offshore destinations differ (i.e. RIO, IOM, IOW, NI etc etc)