U-Series 8" v.2 Subwoofer

$299.99

    • RMS 600 watts
    • Dual 2 or 4 ohm voice coils
    • Optimized for small ported enclosures
    • Aluminum 2.25” voice coil former for superior heat dissipation
    • High-temperature copper voice coil
    • Double stitched surround
    • Heavy-duty cast basket
    • Spring-loaded terminals accept up to 8-gauge wire
    • Stitched-on heavy-duty tinsel leads
    • Solid pole with vent channels and aluminum shorting ring cap
    • Rear gap-venting
    • Top-Plate Cooling Channels
    The U Series woofer from Sundown is incredibly versatile, thriving in both competition setups and your daily driver. It features a double-stacked 9” wide ferrite magnet system and a robust top plate. It also incorporates shorting rings within the magnets and pole cap to enhance frequency response, act as a heat sink, and guide airflow. The U Series is equipped with a significantly thicker custom aluminum frame that boasts heat-dissipation ribs. The v.2 motor also includes an extended pole piece to ensure the coil remains controlled even under high stress!

    Specifications

    T/S SPECS U 8" D2 U 8" D4
    RE (Ohms) 3.8 6.34
    FS (Hz) 39.387 41.288
    VAS (L) 6.345 6.970
    Qes 0.412 0.519
    Qms 2.474 2.542
    Qts 0.353 0.431
    BL (NA) 20.00 21.45
    Mms (Grams) 175.340 145.239
    Cms (mm/N) 93.125 102.308
    Sens (dB @ 1w/1m) 81.6db

    81.6db

    Enclosure Specs

    • Ported Enclosure
      • Size: .65-.75 cu. ft. net
      • Port Area: 9-12 sq. in.
      • Port Tuning: 35Hz
    • Sealed Enclosure
      • Size: .3 cu. ft. net
      • Displacement:  .09 cu. ft. 
    • Depth:  6.02"
    • Outside Diameter: 8.70"
    • Cutout: 7.3"

    Physical Dimensions