SPECIFICATION:

Free Air Resonance (Fs): 26.72 Hz
Electrical ”Q“ (Qes): 0.472
Mechanical ”Q“ (Qms): 7.572
Total Speaker ”Q“ (Qts): 0.444
Equivalent Compliance (Vas): 2.844 cu. ft. / 80.54 litres
One-Way, Linear Excursion (Xmax)*: 0.510 in. / 13.0 mm
Reference Efficiency (no): 0.31%
Efficiency (1W/1m)**: 87.15 dB SPL
Effective Piston Area (Sd): 80.600 sq. in. / 0.0520 sq. m.
DC Resistance (Re): 3.563 ohm
Nominal Impedance (Znom): 4 ohm
Thermal Power Handling (Pt): 500W
Driver Displacement: 0.071 cu. ft. / 2.01 litres
Net Weight: 14.50 lbs. / 6.58 kg