Description

Quick Review:

The Alpine SWR-823D 8″ subwoofer in an impressive sub that packs a punch. It handles up to 350 watts RMS and 900 watts peak. It features an extra long woofer cone made from Kevlar treated pulp to move massive amounts of air for an 8″ subwoofer. To top it off, the new Type R subs such as the Alpine SWR-823D are designed with a shallower mounting depth and frame so you can fit them in tighter spaces. And like all of Alpine's products, it's made from quality materials and built to perform. The Alpine SWR-823D is an excellent 8″ car subwoofer.

Alpine SWR-823D Features:

Subwoofer Specs

• Subwoofer Size 8″
• Peak Power Handling: 900 watts
• RMS Power Handling: 350 watts
• Voice Coils: Dual
• Impedance (Per Voice Coil): 2 ohms
• Frequency Response: 28 – 200 Hz
• Sensitivity: 83.5 dB
• Xmax: 14 mm
• Woofer Composition: Kevlar Fiber
• Woofer Surround: Santoprene Rubber
• Main Cone Color: Dark Gray
• Subwoofer Grille: None
• Re-Cone Kit: None

Enclosure Recommendations

• Enclosure Type: Ported / Vented or Sealed
• Minimum Sealed Box Volume: 0.15 cubic feet
• Maximum Sealed Box Volume: 0.50 cubic feet
• Minimum Ported Box Volume: 0.25 cubic feet
• Maximum Ported Box Volume: 0.60 cubic feet
• Top-Mount Depth: 4-1/2″
• Cutout Diameter: 6-7/8″
• Shallow Mount: No