Description
Sundown Audio UV.2 10 D4
The Sundown Audio UV.2 10 D4 is a 10-inch shallow-mount subwoofer from the UV Series v.2 lineup, engineered to deliver tight, punchy, and accurate bass in compact or limited-depth installations. Equipped with a dual 4-ohm (D4) voice coil, it provides flexible wiring options for a wide range of amplifier setups. Built with a high-temperature copper voice coil, reinforced cone, and durable foam surround, the UV.2 10 D4 offers excellent low-frequency control and long-term reliability. Optimized for sealed enclosures, this subwoofer is ideal for trucks, vans, and compact vehicles where space is limited but clean, controlled bass is essential.
Specifications
| RE (Ohms) | 3.918 | 6.1962 |
| FS (Hz) | 49.9826 | 48.2463 |
| VAS (L) | 5.6312 | 6.1900 |
| Qes | 0.5327 | 0.6317 |
| Qms | 4.4138 | 4.5611 |
| Qts | 0.4753 | 0.5548 |
| Le (mH) | 3.1056 | 4.1634 |
| BL (NA) | 26.5116 | 29.7199 |
| Mms (Grams) | 304.2236 | 297.0392 |
| Cms (uM/N) | 33.3280 | 36.6351 |
| Sens (dB @ 1w/1m) | 82.9533 | 82.1635 |
| Xmax | 30mm | 30mm |
| T/S SPECS | UV.2 10″ D2 | UV.2 10″ D4 |
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Enclosure Specifications
| Sealed Enclosure | 0.5 cu ft |
| Ported Enclosure | 1.0 cu ft |
| Recommended Tuning | 35Hz |
| Recommended Port Area | 16 sq in |
| Displacement | 0.21 cu ft |
| Depth | 8.15″ |
| Outside Diameter | 11″ |
| Cut-Out | 9.75″ |
About The Product
Designed to be at home in the competition lanes or playing your favorite music, the U Series is the premier “standard suspension” woofer in the Sundown lineup. A double-stacked 9.4-inch wide ferrite magnet system is coupled to a thick top plate. A thick set of shorting rings are used inside the magnets and on the pole cap, smoothing out frequency response while doubling as a heat sink and airflow guide. A custom, substantially thicker aluminum frame was designed specifically for the U Series, equipped with heat dissipation ribs. The U v.2 motor also features an extended pole piece to keep the coil under perfect control under high stress. The coil temperature is kept in check via a high-velocity solid pole / machined pole channels arrangement and a series of 16 direct air-gap vents in the back plate.
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