Woofer Type: Full Range Woofer
Nominal Diameter: 4"
Power Handling (RMS): 45 Watts
Power Handling (max): 90 Watts
Impedance (Z): 8 ohms
Sensitivity: 86.2 dB 1W/1m
Frequency Response: 60 to 8,000 Hz
Voice Coil Diameter: 1.28"
DC Resistance (Re): 6.3 ohms
Voice Coil Inductance (Le): 0.06 mH
Resonant Frequency (Fs): 61 Hz
Mechanical Q (Qms): 4.98
Electromagnetic Q (Qes): 0.37
Total Q (Qts): 0.35
Diaphragm Mass Inc. Airload (Mms): 4.7g
Mechanical Compliance of Suspension (Cms): 1.43 mm/N
Surface Area of Cone (Sd): 54.1 cm²
BL Product (BL): 5.53 Tm
Compliance Equivalent Volume (Vas): 0.21 ft.³
Maximum Linear Excursion (Xmax): 3.1 mm
Cone / Diaphragm Material: Wood Fiber
Surround Material: Rubber
Basket / Frame Material: Cast Aluminum
Magnet Material: Neodymium
Overall Outside Diameter: 4.84"
Overall Depth: 2.58"
Baffle Cutout Diameter: 3.86"
# Mounting Holes: 5