Sundown Audio U-8 V.1 D4 8" 750 Watt RMS Car Subwoofer DVC 4-Ohm Car Audio Sub

Description:

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!

Features:

• 750W Watts RMS / 1500 Watts Peak
• Dual 4 ohm
• 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

Specifications:

• RE (Ohms): 6.34
• FS (Hz): 41.288
• VAS (L): 6.97
• Qes: 0.519
• Qms: 2.542
• Qts: 0.431
• BL (NA): 21.45
• Mms (Grams): 145.239
• Cms (uM/N): 102.308
• Sens (dB @ 1w/1m): 81.6
• Xmax: 18mm

Subwoofer Measurements:

• Displacement (Inches): .09 cu ft
• Depth (Inches): 6.02"
• Cutout (Inches): 7.375"
• Motor Diameter (Inches): 6.88"

Ported Enclosure Specs:

• Ported Enclosure Size: 0.65 cu ft
• Recommended Port Area: 9 sq in
• Recommended Port Tuning: 35 hz

Sealed Enclosure Specs:

• Sealed Enclosure Size: 0.3 cu ft

4th Order Enclosure Specs:

• 4th Order Sealed Side: .225cu ft
• 4th Order Ported Side: .675cu ft
• 4th Order Port Area: 14sq in
• 4th Order Port Length: 6"