About the Rockford Fosgate Power T1D212
Crowd-drawing bass beats
Crowd-drawing bass beats
Rockford Fosgate engineered Power Series subs for ultimate high-power, high-volume bass. The Power Series T1D212 12" subwoofer features a responsive paper cone that's reinforced with the same Kevlar® fibers used in bulletproof vests. A hard anodized aluminum dust cap covers and protects the entire cone, showcasing the glossy Rockford Fosgate logo. The result? You get classic warm bass from a cone that's virtually indestructible.
More cone area = more bass
Rockford Fosgate uses their patented VAST technique to attach the oversized rubber surround to the cone that increases available cone area up to 25%, so this sub can push more air for even bigger bass.
A hefty cast aluminum frame provides a stable platform for extreme cone excursion, while an extended pole piece and bumped backplate allow the sub to hit deeper lows without "bottoming out." Special venting in the frame keeps the aluminum voice coils cool through heavy use for consistent bass performance over time.
Fuse-protected impedance selection
Rockford Fosgate outfits Power Series subs with their unique SWIFT™ terminals, which lets you build exactly the system you want — high-power or multi-sub — without complicated wiring. Just rotate the impedance selection jumper to safely choose between 1 or 4 ohms. If you're thinking about adding another sub down the line, this impedance selector simplifies reconfiguring your system.
The jumper is also fused to protect your sub from accidental overload. These subs work equally well in a sealed or ported enclosure, so you can choose the kind of bass you want for your system.
To drive this single subwoofer, we recommend a mono amplifier rated between 600 and 1350 watts RMS at 1 or 4 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.
- 12" dual voice coil subwoofer with selectable 1- or 4-ohm impedance
- Kevlar® reinforced paper cone with aluminum dust cap
- rubber surround
- cast aluminum basket
- metal grille included
- power handling: 800 watts RMS (1600 watts peak power)
- sensitivity: 85 dB
- top-mount depth: 6-3/4"
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # T1D212
What's in the box:
- 12" Dual 2-ohm voice coil subwoofer
- Fused 1-ohm/4-ohm SWIFT jumper (installed)
- Non-fused 1-ohm/4-ohm SWIFT jumper (not installed)
- Twelve 1-3/4" Allen head screws
- 4mm Allen head bit
- Installation/Operation manual (English/ French/ Spanish/ German)
Rockford Fosgate Power T1D212 reviews
Best sub I have owned by far, the looks I get when I tell people I only have one 12 is worth the price tag.
Pros: Deep clear bass
Cons: Will drown out stock car audio components.
0 of 0 found this helpful
One of the most expensive subs I've ever bought. I don't know why I haven't done it before. Easily louder than any pair of subs I've owned. Leaves me room in the trunk just having 1 sub. HIGHLY RECOMMEND!!!
3 of 3 found this helpful
Power series, good stuff. This is the third generation I've purchased, they have never let me down yet!
0 of 0 found this helpful
I had 2 alpine tipe R subs running 1000 watts rms each and this one 12 puts them to shame. It has great punch and extremely clear
Pros: Great punch Great range Very clear Quick flip ohm
0 of 1 found this helpful
Rockford Fosgate that's really all you need to know!
0 of 0 found this helpful
My favorite sub of all time... I have this paired with my Crunch PowerZone PZX2000.1 in a ported bass bunker box that i had to reinforce because the last one i had came apart after a few weeks of slamming the P3 12s... cant imagine what the T1 would have done to this guy. Why by 2x 12 of another brand to get the same you can get out of this T1. . Save room and i have only surprised people when i pop my truck to show them I only have 1 x 12.
Pros: Save rooms and sounds perfect
Cons: Expensive but averages out after buying 2 subs to compensate
3 of 5 found this helpful
More details on the Rockford Fosgate Power T1D212
Features & specs
|Impedance||1 ohm or 4 ohms|
|Cone Material||Kevlar-Reinforced Paper|
|Ideal Sealed Box Volume (cubic feet)||1.25|
|Ideal Ported Box Volume (cubic feet)||1.75|
|Port diameter (inches)||4|
|Port length (inches)||9|
|Dual Voice Coil||Yes|
86 dB at 1 watt |
|Max RMS Power Handling||800|
|Peak Power Handling (Watts)||1600|
|Top Mount Depth (inches)||6 15/16|
|Bottom Mount Depth (inches)||7 7/16|
|Cutout Diameter or Length (inches)||11 3/16|
|Parts Warranty||1 Year|
|Labor Warranty||1 Year|
Dual 2Ω Voice Coils: The Rockford Fosgate T1D212 subwoofer features dual 2Ω voice coils and a jumper to easily wire them in series or parallel, presenting either a 1Ω or 4Ω load; the voice coils cannot be easily wired separately.
SWIFT Terminal: Rockford's proprietary SWIFT Terminal (Selectable Woofer Impedance Fused Termination) offers a simple and convenient method of setting the impedance presented by the dual voice coil subwoofer. The impedance jumper also provides fused protection from severe overload conditions. With the jumper in the 1Ω position the voice coils are wired in parallel; with the jumper in the 4Ω position the voice coils are wired in series.
Note: A second jumper is included with the subwoofer, described in the manual as non-fused. Visually, however, this jumper also appears to be fused, but at a higher threshold than the factory installed jumper (possibly high enough to make it effectively non-fused).
Woofer: The Kevlar fiber reinforced paper cone has a hard anodized aluminum dust cap of equivalent size; the result is a lightweight and extremely strong cone, reducing piston flex and cone distortion.
VAST Surround: The Vertical Attach Surround Technique (VAST) increases a speaker's effective radiating cone area without increasing the size of the basket.
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.
Cast Aluminum Basket: The basket is a die-cast aluminum design to add rigidity and eliminate multiple acoustic resonances. Additionally, the large aluminum mass helps reduce voice coil former temperature and increase power handling.
Terminals: The proprietary spring terminals will accept bare wire up to 8-gauge.
Grille: A metal grille is included to protect the subwoofer and add a finished look. If the sub is bottom mounted and the back is visible, the grille can be disassembled and just the trim ring can be installed to cover the mounting screws.
CEA-2031 Compliant: Power handling on the T1D212 subwoofer conforms to CEA-2031 industry standards. This means the subwoofer has the capacity to handle its rated power under continuous demand, not just for an instant.
Klippel Verified: The Klippel distortion analyzer, a device that uses a laser and sophisticated software to do large-scale analysis of drivers in motion, lets Rockford Fosgate optimize the subwoofer's motor structure, voice coil alignment, and suspension to yield the best possible performance.
Inductive Damping Heat Sink: The Inductive Damping Heat Sink (IDSH) secures directly to the top of the magnet structure to improve system efficiency by reducing both distortion and back EMF (Electo-Magnetic force). It also radiates heat to reduce the voice coil temperature.
FlexFit Basket: The Flex Fit frame utilizes slots (where possible) instead of single screw sized holes; allowing slight adjustment of the speaker when mounted.
Sealed Box: When using a sealed enclosure, Rockford recommends an internal volume of 1.25 cubic feet. Sealed enclosures provide the most control over a woofer, will handle a lot of power, and provide accurate sonic reproduction, making them suitable to all types of music.
Ported Box: Two ported enclosures are recommend:
- Optimum: internal volume of 1.75 cubic feet using one 4" diameter x 9" long port; this yields a tuning frequency of 40 Hz and a -3 dB point of 32 Hz
- High Output: internal volume of 2.25 cubic feet using a 3" x 13-3/4" x 25-3/4" slot port; this yields a tuning frequency of 40 Hz
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