Sundown Audio U-Series 8" 600W Car Audio Subwoofer/Sub U8
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The U-8 can be thought of as an SA-8 v3 on performance boosters. Everything there is to love about the SA-8 v3 just with more power handling, more x-max, and more output potential.
The specially designed motor is mated to a custom tooled and patented (US Patent D691595) frame which allows for a larger spider and superior clearances to nearly any other 8" woofer on the market today. The U-8 features a full 18mm of one-way linear excursion and mechanical capacity in excess of double the linear limits (around 2.5” peak-to-peak) to ensure that mechanical failures are nearly impossible. As with the SA-8 v.3 it features a surround that mimics the geometry of our large Mega-Roll v.2 surrounds for incredible linearity.
- 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
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