Description
SUNDOWN AUDIO SLD-12 (SD-2) D4 (500W) Shallow
FEATURES
- Xmax = 12mm one-way by 70% BL
- Xmech is a hard limit of 25mm one-way (being over 2x the Xmax it is a very generous limit)
- RMS Power = 600-watts
- Black Aluminum 2.5” voice coil former for superior heat dissipation
- High Temperature 4-Layer copper voice coil wire
- Stitched-On “Mini-XL” Tinsel Leads to prevent fatigue and failure
- Solid Pole with high velocity vent channels machined around the OD
- Vented, EMD Cut, Top-Plate Design
- Bolt-through motor design to ensure maximum longevity and ruggedness against mechanical failures
** This motor is bolted through the top so the bolts are not visible from the back like several other models. - Magnet ID shorting ring
SPECIFICATIONS
| T/S SPECS | SLD 12″ D2 | SLD 12″ D4 |
|---|---|---|
| RE (Ohms) | 3.65 | 6.85 |
| FS (Hz) | 42.959 | 45.142 |
| VAS (L) | 26.889 | 29.481 |
| Qes | 0.691 | 0.619 |
| Qms | 2.227 | 2.298 |
| Qts | 0.415 | 0.487 |
| Le (mH) | ||
| BL (NA) | 19.868 | 23.025 |
| Mms (Grams) | 204.319 | 168.773 |
| Cms (uM/N) | 67.177 | 73.652 |
| Sens (dB @ 1w/1m) | 88.1 | 88.3 |
ENCLOSURE SPECIFICATIONS
| Sealed Enclosure | 1.0 cu ft |
| Ported Enclosure | 1.5 cu ft |
| Recommended Tuning | 35Hz |
| Recommended Port Area | 26 sq in |
| Displacement | |
| Depth | 5.45″ |
| Outside Diameter | 12.625″ |
| Cut-Out | 11.125″ |
| Physical Dimensions | Download |