Sundown Audio SLD-12 D4 12" 600W RMS Dual 4-Ohm SLD Series Subwoofer
- SKU #: 02885
Sundown Audio SLD-12 D4 12" 600W RMS Dual 4-Ohm SLD Shallow Series Subwoofer
The Sundown SLD series can be considered a “re-boot” of the SD-2 line from 2011. The SD-2 was essentially a “shallow SA v1” by design – meaning it shared the cone, surround, and spider with the SA but with a shorter motor with a shorter coil. The SD series went another route starting with the 3rd generation (SD-3) – tilting more towards SQ and sealed enclosures. Due to popular demand we have created the SLD series to add a heavily abuse tolerant “shallow” that likes ported boxes back into the line-up!
Much like the current SD-4 series we utilized solid pole-piece so the SLD can also be mounted directly against the rear enclosure wall to reduce net depth requirements. Compared to the old SD-2 we have introduced numerous important upgrades: pole-piece channels for reduced air noise & increased cooling, top-plate “slits” for better cooling and less distortion, and a magnet ID shorting ring. In terms of long-term reliability we have also bolted down the spider, bolted the motor together, bolted on the aluminum pole cap, and added “mini-XL” lead wires thus ensuring many years of flawless service.
The bottom line is if you need a relatively shallow woofer that will take a beating then the SLD is, hands-down, the woofer for you from our line. If you are looking for more SQ then look toward the SD-4 series.
Details
- RMS Power: 600-watts
- Xmax = 12mm one-way by 70% BL
- Innovative high-velocity vented frame ring
- High Temperature 4-Layer copper voice coil wire
- Black Aluminum 2.5” voice coil former for superior heat dissipation
- High Temperature 4 layer copper voice coil
- Large aluminum faraday ring (Magnet ID)
- Spring Loaded Terminals
- Stitched-On “Mini-XL” Tinsel Leads to prevent fatigue and failure
- Solid Pole with vent channels around the OD
- Optimized for small ported & sealed
- Mounting Depth: 5.45"
- Mounting Diameter: 11.125"
- Weight: 25LB
Specifications:
- RE (ohms): 6.85
- FS (Hz): 45.142
- Vas (L): 29.481
- Qes: 0.619
- Qms: 2.298
- Qts: 0.487
- BL (NA): 23.025
- Mms (Grams): 168.773
- Cms (uM/N): 73.652
- Sens (1w/1m): 88.3
Subwoofer Enclosure Requirement:
- Sealed: 1.0 ft^3
- Ported: 1.5-1.75 ft^3 @ 35hz
- Displacement: 0.15 ft^3
- Recommended Port Area 26 sq in
- Depth: 5.45"
- Outside Diameter: 12.625”
- Cut-Out: 11.125”
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