Sundown Audio SD-Series v.4 8" Neo Subwoofer
- Sundown Audio
Sundown Audio SD-Series v.4 8" Neo Subwoofer
- Sundown Audio
RMS 400 watts Dual 2 or 4 ohm voice coils Optimized for small, sealed enclosures Lightweight Neodymium motor Computer-optimized foam... Read more
$318.99
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| Specification | SD-4 8 D2 | SD-4 8 D4 |
|---|---|---|
| Fs | 35.68 Hz | 36.25 Hz |
| Re | 4.20 Ω | 6.43 Ω |
| Qms | 5.7988 | 5.7301 |
| Qes | 0.5783 | 0.6561 |
| Qts | 0.5259 | 0.5887 |
| Mms | 106.47 g | 97.78 g |
| Cms | 186.83 µm/N | 197.09 µm/N |
| Sd | 344.8 cm² | 344.8 cm² |
| Vas | 12.16 L | 12.83 L |
| Sensitivity | 81.55 dB | 81.44 dB |
| BL | 13.170 T·m | 14.770 T·m |
| Le | 4.42 mH | 6.07 mH |
| X-Max | 14.5 mm | 14.5 mm |
| RMS Power | 400 W | 400 W |
| Peak Power | 800 W | 800 W |
| Specification | SD-4 8 D2/D4 |
|---|---|
| Overall Diameter | 8.125" |
| Cutout Diameter | 6.75" |
| Motor Diameter | 4.52" |
| Mounting Depth | 4.5" |
| Displacement | 0.07 Cu. Ft. |
| Sealed Volume | 0.25-0.35 cu ft |
| Ported Volume | Not Recommended |
| Port Tuning | 35 Hz |
| 4th Order Sealed | 0.375 cu ft |
| 4th Order Ported | 1.5 cu ft |
| 4th Order Port Area | 12 sq in |
| 4th Order Port Length | 6" |
