About the Rockford Fosgate P312D2
Want to know what a knockout blow sounds like? Then just listen to this "Punch" from Rockford Fosgate. Muscular Punch Stage 3 subwoofers are big, bad, and loud! With 2-1/2" aluminum voice coils, huge double-stacked magnet structures, and cast-aluminum frames, they'll handle lots of power yet deliver the kind of precise, accurate lows you expect from Rockford Fosgate.
The P312D2 12" subwoofer features a polypropylene cone and black foam surround that combine for full excursion and maximum bass. The dual 2-ohm voice coil design lets you wire for maximum output or a multiple woofer setup. These hard hitters sound great in sealed or ported boxes.Details:
- 12" subwoofer with dual 2-ohm voice coils
- molded polypropylene woofer cone with foam surround
- 102-ounce double stacked magnet structure
- frequency response: 20-200 Hz
- power range: 100-500 watts RMS (250 watts per coil)
- peak power handling: 1,000 watts
- sensitivity: 87 dB
- top-mount depth: 6-3/8"
- sealed box volume: 0.75 cubic feet
- ported box volume: 1.75 cubic feet
- Recommended Q-Logic Box Type: 1, 2, 3
- warranty: 1 year
Priced per speaker
What's in the box:
- One 12" woofer
- 1 Concealing ring
- 12 Self-tapping screws
- 1 Allen bit
- 4 Self-adhesive foam gasket sections
- Installation and Operation manual (English/French/Spanish/German/Italian)
- "Team RF" window sticker
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More details on the Rockford Fosgate P312D2
Features & specs
|Cone Material||Molded polypropylene|
|Ideal Sealed Box Volume (cubic feet)||0.75|
|Ideal Ported Box Volume (cubic feet)||1.75|
|Port diameter (inches)||4|
|Port length (inches)||11|
|Dual Voice Coil||Yes|
87 dB at 1 watt |
|Frequency Response||20 - 200 Hz|
|Max RMS Power Handling||500|
|Peak Power Handling (Watts)||1000|
|Top Mount Depth (inches)||6 3/8|
|Bottom Mount Depth (inches)||N/A|
|Cutout Diameter or Length (inches)||11 1/16|
|Parts Warranty||1 Year|
|Labor Warranty||1 Year|
Dual 2-ohm Voice Coils: This woofer features dual 2-ohm voice coils that offer flexibility in wiring. When the voice coils are wired in parallel with each other, the woofer presents a 1-ohm mono load. When the voice coils are wired in series with each other, the woofer presents a 4-ohm mono load. In addition, each coil may be connected to a different amplifier channel and each channel will see a 2-ohm load.
Woofer: The cone is constructed of molded polypropylene. Polypropylene is lightweight and strong, giving the woofer high power handling and low distortion.
High Excursion Large Roll Surround: A large edge roll surround allows Punch woofers to produce 20% more linear excursion than standard surrounds, resulting in more bass output.
Parabolic Triangular Cone Geometry Support System: By bonding a polypropylene parabolic dust cap of equivalent size to the cone body, a balanced triangular structure is created. This system reduces piston flex and eliminates cone distortion.
Linear Spider: A compliant linear spider improves mechanical stability under high excursion, maintaining consistent excursion characteristics. This eliminates the need for a "break-in period."
Spider Support Ring: This integrated ring increases the bonding surface area between the voice coil former and spider, establishing a stronger joint. The result is increased mechanical power handling under high power/high excursion situations.
Anodized Aluminum Voice Coil Former: Aluminum voice coil formers offer superior heat dissipation over other commonly used materials. The hard-anodized finish increases the former strength. These two factors combine to improve the overall power handling characteristics of the subwoofer.
Precision Cast Aluminum Alloy Basket: A two-piece "basket in a bucket" design adds rigidity and eliminates multiple acoustic resonances. Additionally, the large aluminum mass helps reduce voice coil former temperature and increase power handling.
Double Stacked Magnet Motor Assembly: The stacked magnet assembly is used to create a powerful linear motor with increased excursion capability for superior bass output.
Spring Posts: The heavy-duty spring posts will accept pin connectors and bare wire.
Concealing Ring: Once the subwoofer is mounted, the concealing ring can be installed to hide the mounting screws, giving the subwoofer a finished look.
Recommended Sealed Box Volume: The sealed box sizes recommended by Rockford Fosgate range from 0.65 cu/ft to 0.85 cu/ft. Within this range, the ideal size recommended by Rockford Fosgate is 0.75 cu/ft, so this is the enclosure recommended by Crutchfield.
Recommended Vented Box Volume: The vented box sizes recommended by Rockford Fosgate range from 1.25 cu/ft to 2.0 cu/ft. Within this range, the ideal size recommended by Rockford Fosgate is 1.75 cu/ft, so this is the enclosure recommended by Crutchfield. One 4" diameter x 11" long port should be used with a 1.75 cu/ft enclosure.
Recommended Single Reflex Bandpass Volume: Rockford Fosgate's enclosure chart lists three compatible bandpass enclosures. The highlighted bandpass enclosure has a sealed chamber volume of 1.0 cu/ft, a vented chamber volume of 0.7 cu/ft and a single 4" diameter x 15.75" long port. The smallest recommended enclosure has a sealed chamber volume of 0.85 cu/ft, a vented chamber volume of 0.4 cu/ft and a single 4" diameter x 30" long port. The largest recommended enclosure has a sealed chamber volume of 1.2 cu/ft, a vented chamber volume of 0.9 cu/ft and a single 4" diameter x 13.25" long port.