Free Air Resonance (Fs): 28.4 Hz
Electrical “Q” (Qes): 0.527
Mechanical “Q” (Qms): 9.50
Total Speaker “Q” (Qts): 0.499
Equivalent Compliance (Vas): 1.71 cu. ft. / 48.4 liters
One-Way, Linear Excursion (Xmax)*: 0.579 in. / 14.7 mm
Reference Efficiency (no): 0.202%
Efficiency (1W/1m)**: 85.4 dB SPL 85.2 dB SPL 85.5 dB SPL
Effective Piston Area (Sd): 53.5 sq. in. / 0.0345 sq.
DC Resistance (Re): 6.94 ohm***
Nominal Impedance (Znom): Dual 4 ohm
Thermal Power Handling (Pt): 300W
Driver Displacement: 0.05 cu. ft. / 1.42 liters
Net Weight: 9.6 lbs. / 4.4 kg