Sundown Audio U-8 D2 8" 600W RMS Dual 2-Ohm Subwoofer
- SKU #: 03423
The Sundown U Series is our premier “standard suspension” woofer series. It is the most direct replacement for the world famous Z v.3 woofer line which we produced from 2011 to 2016 before launching the “new platform” Z v.4 series. Due to numerous advancements in our design process the U Series is able to deliver performance on-par with the Z v.3 series but at a much lower cost.
We start with a double-stacked / 8.66” wide Y35 grade ferrite magnet system coupled to a one-piece, bumped T-Yoke and a 0.6” thick top-plate. Just as with the Z v.3 before it and our other high-end subwoofers we also add a very thick (5mm thickness) aluminum shorting ring inside the magnets to reduce static inductance and level out inductance over stroke. The U series motor also features a 0.6” long pole-extension to keep the coil under control at high levels of excursion.
The voice coil is a 2.36” long / 3” diameter 4-layer aluminum winding / aluminum former unit – which is the same coil we use in our X v.2 series and, thus, the U series has the same 1500-watt RMS ratings. The coil temperature is kept in check by a heavily smoothed / high-velocity pole-vent and a series of ten direct air-gap vents in the back plate. The U series also features newly tooled cast aluminum vent rings in between the frame and top plate to effectively exchange air at a high velocity over the voice coil beneath the spider landing.
The U series features an all-new cast aluminum frame series to the Sundown line which allows for taller cones than the older frames used on the Z v.3 series. The taller cones provide enhanced coil stability and increased mechanical excursion capability. We also tooled matching cast-aluminum surround clamps for the U series to ensure durability in the most demanding situations. The surrounds and cone bodies have been fully custom tooled especially for the U series and are stronger / support more excursion than the Z v.3 series cones and surrounds. The new cone bodies also feature an indentation for the same wide-flange, ultra-strong dust caps as our new platform subwoofers.
If you are looking for a woofer that sounds similar to the SA series but handles significantly more power… the U series is exactly what you need. It has been designed to live up to the reputation earned by our Z v.3 series both in terms of every-day music enjoyment and SPL competition
U-8 D2 - Sundown Audio 8" 600W RMS Dual 2-Ohm U Series Subwoofer
- Sundown Audio U-8 D2 8" 600W RMS Dual 2-Ohm U-8 Series Subwoofer
- Power Handling:
- RMS Power = 600 watts
- Voice Coil Configuration: Dual 2-ohm
- Vented magnetic gap
- Solid Pole piece with chamfered edges for increased air-powered voice coil cooling
- Black Aluminum 2" voice coil former for superior heat dissipation
- High-Temperature copper voice coil wire
- Spring Loaded Terminals
- Stitched-On Tinsel Leads to prevent fatigue and failure
- High strength stamped steel frame
- Top Mount Depth: 6.80"
- Mounting Depth: 6.25"
- Recommended Ported Box: 0.75-1.0"
- Woofer Displacement: cu. ft. 0.011
- Outside Diameter: 8.65"
- Cutout Diameter: 7.375"
- Recommended Tuning Frequency: 35Hz
Sundown U-8 D2 T/S Parameters
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