Description
Sundown Audio SD-2 10 D2
The Sundown Audio SD-2 10 D2 is a 10-inch subwoofer designed to provide deep, accurate bass in a variety of car audio setups. The dual 2-ohm voice coil (D2) allows flexible wiring to 1 Ω or 4 Ω, making it easy to pair with a wide range of amplifiers. Built with a vented magnetic gap, vented pole piece, high-temperature copper voice coil, stitched “Mini-XL” tinsel leads, and reinforced suspension, the SD-2 10 D2 delivers strong low-end output with reliable performance. Perfect for sealed or ported enclosures, it fits well in under-seat, behind-seat, or compact stealth installations while maintaining thermal efficiency and durability.
Specifications
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RMS Power (D4)
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RMS Power (D2)
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Peak Power (D2)
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Peak Power (D4)
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RE D2 (Ohms)
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RE D4 (Ohms)
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FS D2 (Hz)
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FS D4 (Hz)
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VAS D2 (L)
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VAS D4 (L)
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Qes D2
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Qes D4
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Qms D2
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Qms D4
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Qts D2
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Qts D4
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BL D2 (NA)
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BL D4 (NA)
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Mms D2 (Grams)
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Mms D4 (Grams)
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Cms D2 (uM/N)
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Cms D4 (uM/N)
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Sens D2 (dB @ 1w/1m)
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Sens D4 (dB @ 1w/1m)
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Xmax D2
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Xmax D4
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| Subwoofer Measurements | |
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Product Sku
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SD-2 10 |
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Displacement (Inches)
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Depth (Inches)
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Cutout (Inches)
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Motor Diameter (Inches)
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| Ported Enclosure Specs | |
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Ported Enclosure Size
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Recommended Port Area
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Recommended Port Tuning
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| Sealed Enclosure Specs | |
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Sealed Enclosure Size
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| 4th Order Enclosure Specs | |
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4th Order Sealed Side
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4th Order Ported Side
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4th Order Port Area
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4th Order Port Length
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Specifications
| T/S SPECS | SLD 10″ D2 | SLD 10″ D4 |
|---|---|---|
| RE (Ohms) | 3.65 | 6.85 |
| FS (Hz) | 44.907 | 46.817 |
| VAS (L) | 14.630 | 12.091 |
| Qes | 0.452 | 0.547 |
| Qms | 2.212 | 2.246 |
| Qts | 0.376 | 0.440 |
| Le (mH) | ||
| BL (NA) | 18.247 | 24.492 |
| Mms (Grams) | 146.252 | 162.818 |
| Cms (uM/N) | 85.883 | 70.979 |
| Sens (dB @ 1w/1m) | 86.5 | 85.4 |
| Xmax | 12mm | 12mm |
Enclosure Specifications
| Sealed Enclosure | 0.5 cu ft |
| Ported Enclosure | 1.0 cu ft |
| Recommended Tuning | 35Hz |
| Recommended Port Area | 15 sq in |
| Displacement | |
| Depth | 4.9″ |
| Outside Diameter | 10.5″ |
| Cut-Out | 9.25″ |
About The Product
Sundown’s highest-power slim subwoofers, the SLD takes incredibly high volume by introducing numerous important upgrades: pole-piece channels for reduced air noise & increased cooling, top-plate “slits” for better cooling and less distortion, and a magnet shorting ring. Sundown also bolted down the spider, bolted the motor together, bolted on the aluminum pole cap, and added “mini-XL” lead wires for years of flawless service.
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