Product Model: WG78-1639B-PR-20-A (3-inch)
Nominal Impedance: 6Ω
Power (RMS): 20W
Maximum Power (Max): 40W
Voice Coil Diameter: 25mm
Magnetic Circuit: Neodymium Iron Boron
Resonant Frequency Fo (Fs): 141Hz
Sensitivity (SPLo): 82dB
Equivalent Volume (Vas): 465.87
Mechanical Q-Factor (Qms): 5.850
Electrical Q-Factor (Qes): 1.090
Total Q-Factor (Qts): 0.919
Mounting Height: 36mm±0.5
Total Weight: 184g
Cone Material: Antique Bronze Dome