Sundown Audio SD-2 8 D2 8" 300W RMS Dual 2-Ohms Car Subwoofer
- SKU #: 92471
Sundown Audio SD-2 8 D2 8" 300W RMS Dual 2-Ohms Car Subwoofer
The SD-2 8" is a very unique driver in our line. It is our first under-hung design; which means the coil is actually shorter than the top plate and remains completely immersed in the magnetic field without variation over most of it's stroke. For the more technical reader you may notice the top plate does not appear to be tall enough to be classified as under-hung. The fact is our deep custom tooled frame, originally developed for the SA-8 v.2, allowed us to tuck most of the top plate up inside the frame to achieve a total top plate thickness of one full inch without adding additional depth to the driver.
What does this mean to you, as the listener? The end result is a significant reduction of BL induced distortion (the #1 cause of distortion in subwoofers). The under-hung design also greatly reduces the variation of inductance over stroke; which is another major cause of loudspeaker distortion. When combined with the proven low distortion spider and surround borrowed from it's big brother the SA-8 v.2 (of course with half the number of spiders) the SD-2 8" is a truly reference level sound quality driver addressing the reduction all three major modes of distortion. Customers all over the world are constantly surprised by the level of output and fidelity these drivers provide.
The parameter set has been optimized for very small sealed enclosures ranging from 0.25 to 0.50 cubic feet. This makes the SD-2 8" the best 8" woofer in our line, and the only one I suggest, for sealed enclosures.
Product Features:
- Sundown Audio SD-2 8 D2 8" 300W RMS Dual 2-Ohms Car Subwoofer
- Power Handling
- RMS: 300 watts
- Suggested Box : 0.25 ft^3 sealed
- (These will run ported if desired in 0.5 ft^3)
- Depth : 4.75"
- Top Plate Height : 25mm
- Coil Height : 12.5mm/ 8-layer Copper
- Former : Special low eddy current alloy
- X-Max : 14.5mm by 70% BL in FEA
- Topology : Under-Hung
Product Specifications:
- Re : 6.03 ohms (series)
- Fs : 45.2 Hz
- Qes : 0.63
- Qms : 7.31
- Qts : 0.58
- Le : 6.26 mH
- Sd : 30.68 in^2
- Vas : 7.74 L
- BL : 15.55 NA
- Mms : 89 g
- Cms : 138 uM/N
- Sens 1w/1m : 82.29 dB
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