Nominal diameter - 380 mm 15 in Rated impedance - 8 Ω Minimum impedance - 7,2 Ω Power capacity 1 - 700 WAES Program power 2 - 1.400 W Sensitivity - 98 dB 1W / 1m @ ZN Frequency range - 30 - 1.500 Hz Recom. enclosure - Vb = 125 l (Bass-reflex design) - Fb = 43 Hz Voice coil diameter - 101,6 mm 4 in Bl factor - 21,1 N/A Moving mass - 0,147 kg Voice coil length - 20 mm Air gap height - 10 mm Xdamage (peak to peak) - 47 mm

Resonant frequency, fs - 42 Hz D.C. Voice coil resistance, Re - 5,1 Ω Mechanical Quality Factor, Qms - 21,2 Electrical Quality Factor, Qes - 0,45 Total Quality Factor, Qts - 0,44 Equivalent Air Volume to Cms, Vas - 105 l Mechanical Compliance, Cms - 92 µm / N Mechanical Resistance, Rms - 1,9 kg / s Efficiency, η0 - 1,67 % Effective Surface Area, Sd - 0,091 m2 Maximum Displacement, Xmax 4 - 8 mm Displacement Volume, Vd - 728 cm3 Voice Coil Inductance, Le @ 1 kHz - 2,1 mH