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Sundown Audio

SUNDOWN AUDIO U SERIES V1 8" SUBWOOFER

Regular price
$349.99 USD
Regular price
Sale price
$349.99 USD
Shipping calculated at checkout.
Impedance
  • 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

Xmax 18mm

18mm

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

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