Sundown Audio U-Series 8" Subwoofer D2/D4
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About the Product
Sundown Audio U-Series 8" Subwoofer D2/D4
- 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
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Ported Enclosure
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Size: .65-.75 cu. ft. net
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Port Area: 9-12 sq. in.
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Port Tuning: 35Hz
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Size: .65-.75 cu. ft. net
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Sealed Enclosure
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Size: .3 cu. ft. net
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Displacement: .09 cu. ft.
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Size: .3 cu. ft. net
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Depth: 6.02"
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Outside Diameter: 8.70"
- Cutout: 7.3"
Free Shipping In the Continental US
Free shipping is available in the continental United States, excluding Hawaii and Alaska.
International shipping is available and calculated at checkout.
All orders will receive tracking once shipped through USPS, Fedex, UPS, and DHL.
Easy Returns
Return for refund within: 30 days
Return for replacement within: 30 days
Standard Return Policy Overview
You may return merchandise purchased from Showtime Electronics for a refund or a replacement, provided that the procedures and requirements are followed. All returns require a return merchandise authorization (RMA) number. An RMA number must be issued within 30 calendar days after the date of purchase. An RMA number is valid for 14 calendar days after it is issued. Once you log in to your user account, you will be able to Request and RMA. In addition, you can also request an RMA at the bottom of our homepage. If you have any issues, please email us at sales@showtimeelectronics.com




