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sundown audio
Sundown Audio U Series 18" v.2 Dual 4 ohm 1750 watt RMS Subwoofer Car Audio
$619.99
In Stock
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Categories: Best Sellers!, Car Audio, SUBWOOFERS, SUBWOOFERS
100% ORIGINAL AND QUALITY
24 MONTHS GUARANTEE
- Description
- Shipping and Refund
- 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
U-18
| T/S SPECS | U 18" D2 | U 18" D4 |
|---|---|---|
| RE (Ohms) | 3.8 | 6.1 |
| FS (Hz) | 31.3 | 31.4 |
| VAS (L) | 135.4 | 135.4 |
| Qes | 0.37 | 0.42 |
| Qms | 3.41 | 3.55 |
| Qts | 0.33 | 0.38 |
| Le (mH) | 2.62 | 3.97 |
| BL (NA) | 29.9 | 35.3 |
| Mms (Grams) | 444.1 | 441.3 |
| Cms (uM/N) | 0.06 | 0.06 |
| Sens (dB @ 1w/1m) | 92.3db | 91.8db |
