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Ships within 48 hours · Estimated delivery Sep 27 - Oct 2
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Description
Sundown Audio - U-Series v.1 8"750W Watts RMS 1500 Watts Peak 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
- 750W Watts RMS / 1500 Watts Peak
- 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"
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy