ERFW8D4
by EUPHORIA
EUPHORIA (ERFW8D4) 8” Diecast 4 Ohm DVC Shallow Subwoofer
FEATURES:
- High Temp Voice Coil Wire Around Vented KSV Former
- Radial Basket Vents for Voice Coil Cooling
- Large Gauge Push Button Speaker Wire Terminals
- Proprietary Injection Molded Polypropylene Cone
- High Excursion Foam Surround
- Extended Linear Roll Progressive Dampener
- Stealth Gasket for Custom Mounting Applications
- Anti-Resonance Heavy Gauge Shallow Die-Cast basket
- Optimized Motor for Low Frequency Response
SPECIFICATIONS:
- Nominal Power Handling: 350 Watts
- Peak Power Handling: 700 Watts
- Impedance: Dual 4Ω Voice Coil
- Free Air Resonance (Fo) 47.090 Hz
- D.C. Voice Coil Resistance (Re): 6.400 Ω
- Mechanical Quality Factor (Qms): 5.232
- Electrical Quality Factor (Qes): 0.861
- Total Quality Factor (Qts): 0.740
- Equivalent Air Volume (Vas): 6.733 L
- Mass of Diaphragm/Coil (Mms): 97.398 g
- Force Factor (BL): 14.632 TM
- Sound Pressure Level (SPL): 81.0 dB
- Effective Diaphragm Area (Sd): 20.106m
- Compliance of Mechanical Suspension (Cms): 117.284 mm/N
- Moving Mass of Diaphragm (Mmd): 95.759 m Kg
DIMENSIONS:
- Overall Diameter: 8.78"/ 223 mm
- Mounting Depth: 3.11"/ 79 mm
- Cutout Diameter: 7.30"/ 185.5 mm