ERFW12D4 : 12” 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: 750 Watts
▪ Peak Power Handling: 1500 Watts
▪ Impedance: Dual 4Ω Voice Coil
▪ Free Air Resonance (Fo) 28.046 Hz
▪ D.C. Voice Coil Resistance (Re): 6.400 Ω
▪ Mechanical Quality Factor (Qms): 4.323
▪ Electrical Quality Factor (Qes): 0.685
▪ Total Quality Factor (Qts): 0.591
▪ Equivalent Air Volume (Vas): 47.133 L
▪ Mass of Diaphragm/Coil (Mms): 253.055 g
▪ Force Factor (BL): 20.408 TM
▪ Sound Pressure Level (SPL): 83.7 dB
▪ Effective Diaphragm Area (Sd): 51.071m
▪ Compliance of Mechanical Suspension (Cms): 127.258 mm/N
▪ Moving Mass of Diaphragm (Mmd): 246.419 m Kg
▪ MMd: 240.000g

Dimensions

▪ Overall Diameter: 12.68”/ 322 mm
▪ Mounting Depth: 4.13”/ 105 mm
▪ Cutout Diameter: 11.08”/ 281.4 mm