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- RMS 600 watts
- Dual 2 voice coils
- Optimized for small, sealed enclosures
- Lightweight Neodymium motor
- Computer-optimized foam “w” surround
- Two-inch 8-layer copper voice coil
- Large aluminum Faraday ring for smooth acoustic response
- Patented high strength cast aluminum frame
- Low distortion motor construction
- High-temperature voice coil wire
- Spring-loaded terminals
- Stitched-on tinsel lead wires
The SD-4 series truly is a world-class sound quality woofer with low mounting depth, small box requirements, yet extraordinarily high power handling. It's the ideal choice for anyone seeking a high-quality, low-mounting-depth subwoofer that performs hammers in small enclosures. With enhanced mechanical durability and superb sound quality, you get the perfect marriage of form and function.
Dual-2-Ohm T/S SpecsRMS Power [D2]600Re-Ohms [D2]3.93FS-Hz [D2]26.0429Vas-L [D2]63.5142Qes [D2]0.6187Qms [D2]5.4253Qts [D2]0.5554Le-mH [D2]6.279BL-NA [D2]14.9216Mms-Grams [D2]214.4713Cms-uM/N [D2]174.1371Sensitivity-dB @ 1w/1m [D2]84.33Xmax [D2]14.5mm
Subwoofer MeasurementsDocumentationPhysical DimensionsDisplacement [Inches]0.1 cu ftDepth [Inches]4.9"Cutout [Inches]10.50"Motor Diameter [Inches]3.93Ported Enclosure SpecsPorted Enclosure SizeNot RecommendedRecommended Port Tuning35hzSealed Enclosure SpecsSealed Enclosure Size0.8 - 1.0 cu ft4th Order Enclosure Specs4th Order Sealed Side.75cu ft4th Order Ported Side2.25cu ft4th Order Port Area45sq in4th Order Port Length6"
