- Article number
- WS 20 E - 4
- EAN
- 4007540010571
- Woofer Type
- Midwoofer
- Nominal Diameter
- 8"
- Power Handling (RMS)
- 80 Watts
- Power Handling (max)
- 120 Watts
- Impedance (Z)
- 4 ohms
- Sensitivity (SPL at 1m / 2.83V)
- 91 dB
- Frequency Response
- 47 - 7,000 Hz
- Voice Coil Diameter
- 30 mm
- DC Resistance (Re)
- 3.3 ohms
- Voice Coil Inductance (Le)
- 0.7 mH
- Resonant Frequency (Fs)
- 47 Hz
- Mechanical Q (Qms)
- 5.56
- Electromagnetic Q (Qes)
- 1.44
- Total Q (Qts)
- 1.14
- Diaphragm Mass Inc. Airload (Mms)
- 23g
- Surface Area of Cone (Sd)
- 240 cm2
- BL Product (BL)
- 4.5 Tm
- Compliance Equivalent Volume (Vas)
- 39 liters
- Maximum Linear Excursion (Xmax)
- 3 mm
- Cone / Diaphragm Material
- Polypropylene
- Surround Material
- Rubber
- Overall Outside Diameter
- 207 mm
- Overall Depth
- 85.9 mm
- Baffle Cutout Diameter
- 186 mm
- Bolt Circle Diameter
- 219 mm
- # Mounting Holes
- 4
- Mounting Hole Diameter
- 5 mm