- Article number
- W4-1879
- Woofer Type
- Full-range
- Nominal Diameter
- 4"
- Power Handling (RMS)
- 25 Watts
- Power Handling (max)
- 50 Watts
- Impedance (Z)
- 8 ohms
- Sensitivity
- 87 dB 1W/1m
- Frequency Response
- 55 to 20,000 Hz
- Voice Coil Diameter
- 1"
- DC Resistance (Re)
- 6.3 ohms
- Voice Coil Inductance (Le)
- 0.025 mH
- Resonant Frequency (Fs)
- 55 Hz
- Mechanical Q (Qms)
- 2.68
- Electromagnetic Q (Qes)
- 0.51
- Total Q (Qts)
- 0.43
- Diaphragm Mass Inc. Airload (Mms)
- 4.0g
- Surface Area of Cone (Sd)
- 57 cm²
- BL Product (BL)
- 4.19 Tm
- Compliance Equivalent Volume (Vas)
- 0.32 ft.³
- Maximum Linear Excursion (Xmax)
- 5.0 mm
- Cone / Diaphragm Material
- Wood Fiber
- Surround Material
- Rubber
- Basket / Frame Material
- Cast Aluminum
- Magnet Material
- Neodymium
- Overall Outside Diameter
- 4.94"
- Overall Depth
- 3.18"
- Baffle Cutout Diameter
- 3.76"
- Bolt Circle Diameter
- 4.53"
- # Mounting Holes
- 4
- Sealed Volume
- 0.13 ft.³
- Sealed F3
- 101 Hz
- Vented Volume
- 0.34 ft.³
- Vented F3
- 52 Hz