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- 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.
- RMS 400 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
| Dual-2-Ohm T/S Specs |
|
400
|
|
4.2
|
|
35.6841
|
|
12.16
|
|
0.5783
|
|
5.7988
|
|
0.5259
|
|
4.4242
|
|
13.17
|
|
106.4747
|
|
186.8295
|
|
81.55
|
|
14.5mm
|
| Subwoofer Measurements |
|
|
|
0.07 cu ft
|
|
4.5"
|
|
6.750"
|
|
4.52
|
| Ported Enclosure Specs |
|
Not Recommended
|
|
35hz
|
| Sealed Enclosure Specs |
|
0.33 - 0.5 cu ft
|
| 4th Order Enclosure Specs |
|
.375cu ft
|
|
1.5cu ft
|
|
15sq in
|
|
6"
|
