Rockford Fosgate R2D4-12

Rockford Fosgate
SKU: R2D4-12
Availability: 8 in stock
$50.99
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Features:

  • 12 Inch Dual 4 ohm Prime Stage 2 Series Subwoofer
  • Power Handling:
    • Peak: 500 watts
    • RMS: 250 watts
  • Recommended power range: 200 - 300 watts RMS
  • CEA-2031 Compliant
  • Klippel Verified
  • 12 AWG compression terminals
  • Anodized aluminum voice coil former
  • Injection molded polypropylene cone
  • Tear & fatigue resistant poly-cotton spider
  • StampCast basket with integrated spider venting
  • Linear spider with embedded 16 AWG tinsel leads
  • High density compressed half-roll sealed poly-foam surround
  • Optimized motor magnetics with extended pole and bumped vented backplate
  • Fatigue resistant and reduced strain Inchstitched on Inch flexible lead wire design
  • Multi-point high-temp/high-strength neck joint bonding technique
  • Semi-flexible PVC removable protective motor cover
  • Optimized for both sealed and vented enclosures
  • All metal compression input terminal assembly
  • Heavy guage proprietary stamped steel frame
  • Mounting Depth: 5.067 Inch
  • Cutout Diameter: 11.25 Inch
  • Magnet Weight: 47.70 oz
  • Frequency Response: 43 - 250 Hz
  • Xmax: 6.5 mm
  • Sensitivity: 89 dB @ 1 watt / 1 meter
  • Recommended Ported Enclosure: 1.79ft³ @45.0 Hz
  • Recommended Sealed Enclosure: 1.02ft³ @51.1 Hz
  • Matching Amplifiers: (one driver)
    • Rockford Fosgate R250X1, Parallel @2ohms 
      ✔ Preferred Match
    • Rockford Fosgate P300X1, Parallel @2ohms
    • Rockford Fosgate PBR500X1, Parallel @2ohms
    • Rockford Fosgate P500X1BD, Parallel @2ohms
    • Rockford Fosgate PM300X1 , Parallel @2ohms
    • Rockford Fosgate PM500X1bd, Parallel @2ohms
    • Rockford Fosgate TM500X1br, Parallel @2ohms
  • Matching Amplifier: (two drivers)
    • Rockford Fosgate R1200-1D, Series/Parallel @4ohms
    • Rockford Fosgate P500X1BD, Parallel @1ohm 
      ✔ Preferred Match

Specifications:

Subwoofer Specifications:

  • Subwoofer Series: Prime R2 (Rockford Fosgate)
  • Subwoofer Size: 12 Inch
  • Peak Power Handling: 500 watts
  • RMS Power Handling: 250 watts
  • Voice Coil(s): Dual
  • Impedance (Per Voice Coil): 4 ohms
  • Voice Coil Diameter: 2 Inch
  • Frequency Response: 43 - 250 Hz
  • Sensitivity: 89 dB
  • Xmax (millimeters): 6.5 mm
  • Subwoofer Design: Round / Circle
  • Main Cone Color: Black
  • Woofer Composition: Mica Injected Polypropylene - MIPP
  • Woofer Surround: Poly-Foam
  • Subwoofer Grille: No
  • Re-Cone Kit Available: No

Recommended Enclosure Specifications:

  • Recommended Enclosure Type: Ported / Vented, Sealed
  • Optimum Sealed Box Volume: 1.02 cubic feet
  • Optimum Ported Box Volume: 1.79 cubic feet
  • Top-Mount Depth: 5.067 Inch
  • Cutout Diameter: 11.25 Inch
  • Shallow Mount Installation: No

Electromechanical Parameters:

  • Free-Air Resonance (Fs): 34.9 Hz
  • Equivalent Compliance (Vas): 68.8 liters
  • Total Speaker Q Value (Qts): 0.60
  • Electrical Q Value (Qes): 0.66
  • Electrical Resistance of Voice Coil (Re): 7.17 ohms
  • Mechanical Q Value (Qms): 7.33
  • Efficiency Bandwidth Product (EBP): 52.88