- Article number
- E220CF-8
- Woofer Series
- Epique Series
- Woofer Type
- Full-range
- Nominal Diameter
- 8"
- Power Handling (RMS)
- 150 watts
- Power Handling (max)
- 300 watts
- Impedance (Z)
- 8 ohms
- Sensitivity (SPL at 1m / 2.83V)
- 91.5 dB
- Frequency Response
- 25 - 4,500 Hz
- Voice Coil Diameter
- 2.125"
- DC Resistance (Re)
- 6.1 ohms
- Voice Coil Inductance (Le)
- 0.70 mH
- Resonant Frequency (Fs)
- 26.9 Hz
- Mechanical Q (Qms)
- 7.14
- Electromagnetic Q (Qes)
- 0.26
- Total Q (Qts)
- 0.25
- Diaphragm Mass Inc. Airload (Mms)
- 25.2 g
- Mechanical Compliance of Suspension (Cms)
- 1.39 mm/N
- Surface Area of Cone (Sd)
- 216.4 cm²
- Volume of Displacement (Vd)
- 108.2 cm³
- BL Product (BL)
- 10.00 Tm
- Compliance Equivalent Volume (Vas)
- 91.4 liters
- Maximum Linear Excursion (Xmax)
- 5 mm
- Cone / Diaphragm Material
- Carbon Fiber
- Surround Material
- Rubber
- Voice Coil Wire Material
- Copper
- Voice Coil Former
- Titanium
- Basket / Frame Material
- Cast Aluminum
- Magnet Material
- Neodymium
- Overall Outside Diameter
- 8.66"
- Overall Depth
- 4.52"
- Baffle Cutout Diameter
- 7.52"
- # Mounting Holes
- 6
- Mounting Hole Diameter
- 8.21"
- Sealed Volume
- 0.29 ft.³
- Sealed F3
- 91 Hz
- Vented Volume
- 0.63 ft.³
- Vented F3
- 59 Hz