U-Series 6.5" v.1 Subwoofer
Notice On Packaging For Subwoofers
Sundown Audio has led the industry in quality and performance for over a decade. To improve accuracy and transparency, we have updated our subwoofer power ratings to reflect true real-world performance.
During this transition, some packaging may show previous ratings. Performance fully aligns with our current published specifications. If you have any questions about authenticity or ratings, please contact directly for confirmation.
- 500 Watts RMS/1000 Watts Peak
- Dual 2 or 4 ohm voice coils
- Optimized for small ported enclosures
- Aluminum 1.75” 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
Specifications
| Dual-2-Ohm T/S Specs | |
|---|---|
RMS Power (D2) |
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Peak Power (D2) |
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Re-Ohms (D2) |
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FS-Hz (D2) |
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Vas-L (D2) |
|
Qes (D2) |
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Qms (D2) |
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Qts (D2) |
|
Xmax (D2) |
|
| Dual-4-Ohm T/S Specs | |
RMS Power (D4) |
|
Peak Power (D4) |
|
Re-Ohms (D4) |
|
FS-Hz (D4) |
|
VAS-L (D4) |
|
Qes (D4) |
|
Qms (D4) |
|
Qts (D4) |
|
Xmax (D4) |
|
| Subwoofer Measurements | |
Documentation |
|
Displacement (Inches) |
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Depth (Inches) |
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Cutout (Inches) |
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Motor Diameter (Inches) |
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| Ported Enclosure Specs | |
Ported Enclosure Size |
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Recommended Port Area |
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Recommended Port Tuning |
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| Sealed Enclosure Specs | |
Sealed Enclosure Size |
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| 4th Order Enclosure Specs | |
4th Order Sealed Side |
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4th Order Ported Side |
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4th Order Port Area |
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4th Order Port Length |
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