SA-Classic 15" Subwoofer
Notice On Packaging For Subwoofers
Sundown Audio has led the industry in quality and performance for over a decade. To improve accuracy and transparency, we have updated our subwoofer power ratings to reflect true real-world performance.
During this transition, some packaging may show previous ratings. Performance fully aligns with our current published specifications. If you have any questions about authenticity or ratings, please contact directly for confirmation.
- 1000 Watt RMS/ 2000 Watt Peak
- Dual 2 or 4 ohm voice coils
- Optimized for small ported, sealed, & band-pass enclosures
- Large aluminum Faraday ring for smooth acoustic response
- High strength cast aluminum frame
- Low distortion motor construction
- High-temperature voice coil wire
- Spring-loaded terminals
- Stitched-on “XL” tinsel lead wires
The SA Classic sub is a stunning combination of value, power handling, and deep excursion. It features a cast aluminum frame that houses a bulletproof custom 2.5-inch voice coil, robust double-layered Nomex spider, and SPL competition-grade paper cone. These components are built into a flexible design that works well in any type of enclosure.
| Specification | SA Classic 15 D2 | SA Classic 15 D4 |
|---|---|---|
| Fs | 37.8 Hz | 36.4 Hz |
| Re | 4.29 Ω | 7.00 Ω |
| Qms | 2.8600 | 2.9400 |
| Qes | 0.5500 | 0.6200 |
| Qts | 0.4600 | 0.5100 |
| Mms | 319.00 g | 284.00 g |
| Cms | 55.30 µm/N | 67.20 µm/N |
| Sd | 1141.9 cm² | 1141.9 cm² |
| Vas | 55.4 L | 67.3 L |
| Sensitivity | 89.2 dB | 98.0 dB |
| BL | 23.400 T·m | 26.940 T·m |
| Le | 3.41 mH | 4.71 mH |
| X-Max | 19 mm | 19 mm |
| RMS Power | 1000 W | 1000 W |
| Peak Power | 2000 W | 2000 W |
| Specification | SA Classic 15 D2/D4 |
|---|---|
| Overall Diameter | 15.5" |
| Cutout Diameter | 14.0" |
| Motor Diameter | 7.79" |
| Mounting Depth | 7.69" |
| Displacement | 0.17 Cu. Ft. |
| Sealed Volume | 1.5 cu ft |
| Ported Volume | 3.5 cu ft |
| Port Tuning | 35 Hz |
| Port Area | 35 sq in |
| 4th Order Sealed | 1.5 cu ft |
| 4th Order Ported | 4.5 cu ft |
| 4th Order Port Area | 90 sq in |
| 4th Order Port Length | 6" |
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