JL Audio 8W3v3-8 8inch Subwoofer Driver (8ohm)

Product features

• Free Air Resonance (Fs): 35.40 Hz
• Electrical Q (Qes): 0.489
• Mechanical Q (Qms): 6.789
• Total Speaker Q (Qts): 0.456
• Equivalent Compliance (Vas): 0.57 cu. ft./16.14 liters
• One-Way, Linear Excursion (Xmax): 0.375 in./10.0 mm
• Reference Efficiency (no): 0.141%
• Efficiency (1W/1m): 83.68 dB SPL
• Effective Piston Area (Sd): 32.02 sq. in./0.021 sq. m.
• DC Resistance (Re): 7.42 ohm
• Nominal Impedance (Znom): 8 ohm
• Thermal Power Handling (Pt): 250W
• Driver Displacement: 0.03 cu. ft./0.85 liters
• Net Weight: 8.2 lbs./3.7 kg