Description
Sundown Audio SA-10 v.2 D4
The Sundown Audio SA-10 v.2 D4 is a 10-inch shallow-mount subwoofer from the SA Series v.2 lineup, designed for compact car audio installations where space is limited but high-output bass is required. It features a dual 4-ohm (D4) voice coil configuration for flexible wiring to a variety of amplifiers. Constructed with a high-temperature copper voice coil, reinforced cone, and durable foam surround, the SA-10 v.2 D4 delivers clean, controlled low-frequency performance while maintaining long-term reliability. Optimized for sealed enclosures, this subwoofer is ideal for trucks, compact cars, and under-seat installations, providing tight, punchy, and accurate bass in a shallow-mount design.
Specifications
| RE (Ohms) | 3.90 | 6.82 |
| FS (Hz) | 37.0810 | 36.1409 |
| VAS (L) | 10.3683 | 12.3547 |
| Qes | 0.3598 | 0.3744 |
| Qms | 3.7041 | 3.5051 |
| Qts | 0.3280 | 0.3383 |
| Le (mH) | 3.5178 | 4.4560 |
| BL (NA) | 28.3634 | 31.5270 |
| Mms (Grams) | 318.8226 | 281.6632 |
| Cms (uM/N) | 57.7815 | 68.8513 |
| Sens (dB @ 1w/1m) | 83.42 | 83.67 |
| Xmax | 19mm | 19mm |
| T/S SPECS | SAV2 10″ D2 | SAV2 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 | 15 sq in |
| Displacement | |
| Depth | 6.92″ |
| Outside Diameter | 10.94″ |
| Cut-Out | 9.17″ |
About The Product
This SA-10/12/15 v.2 series is a top-down upgrade from the original SA series. The 2.75” coil punches way above its weight, outperforming many 3” coils without the adding weight & with the added advantage of a wider spider. We are able to perfectly balance the mass, motor force, and suspension stiffness for the intended power level.
The motor also features a large magnet shorting ring (faraday ring) to reduce distortion and deliver smoother response across the entire acoustic spectrum. The motor & coil setup is mated to an extremely robust multi-layer spider with fully tied-on & doubled-up “XL” tinsel leads. A competition-grade paper cone, strong foam surround, and cast aluminum frame are used to complete this masterpiece. On top of the ~19mm of one-way linear excursion we have an x-mech limit of 37mm one-way before coil bottom making it nearly “bottomless.”
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