Sundown Audio U10v2 10 inch Dual 2 ohm Subwoofer U Series(1750 watts)

  • $489.99
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DESCRIPTION


 

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.

  • Features (U-10 / 12 / 15 / 18)

    • Black Aluminum 3” voice coil former for superior heat dissipation
    • High Temperature Round-Wire CCAW voice coil with high-temp black adhesive
    • Double stitched surround
    • Heavy duty cast basket
    • Spring loaded terminals accept up to 8 gauge
    • Stitched-on double-XL tinsel leads
    • Rear vented pole piece
    • Rear drilled gap-venting
    • Innovative high-velocity cast aluminum vented frame spacer ring
    • Magnet ID shorting ring
    • Top-Plate Cooling Channels
    • Cast Aluminum surround bolt-on rings
    • Optimized for small ported or bandpass enclosures

     

Specifications

  • T/S SPECS U 10" D2 U 10" D4
    RE (Ohms) 3.8 6.1
    FS (Hz) 48.5 41.1
    VAS (L) 8.3 11.5
    Qes 0.35 0.39
    Qms 3.20 3.21
    Qts 0.32 0.35
    Le (mH) 2.56 3.71
    BL (NA) 26.8 29.7
    Mms (Grams) 216.3 219.7
    Cms (uM/N) 0.05 0.07
    Sens (dB @ 1w/1m) 86.2db 84.9db

     

    Enclosure Specifications

    • Sealed Enclosure 0.5 cu ft
      Ported Enclosure 1.0 cu ft
      Recommended Tuning 35Hz
      Recommended Port Area 16 sq in
      Displacement 0.21 cu ft
      Depth 7.007″
      Outside Diameter 10.94″
      Cut-Out 9.17″

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