Black Diamond 12" High Excursion Subwoofer with Carbon Fiber Cone | 3500W RMS / 7000W MAX | Dual 1-Ohm Voice Coil
Product Overview
Black Diamond DIA-CARBON12.1D
12" High Excursion Subwoofer with Carbon Fiber Cone – 3500W RMS / 7000W Peak
The DIA-CARBON12.1D is built for monstrous low-end. With a jaw-dropping 3500W RMS and 7000W peak power handling, this 12-inch subwoofer delivers chest-rattling SPL.
Carbon-Fiber Boom
Lightweight yet unbreakable, the real carbon fiber cone and dust cap offer unmatched strength and stiffness. The 22.5mm Xmax excursion moves massive air with tight, distortion-free bass you can feel in your bones.
Engineered for Endurance
A massive 3.5" aluminum voice coil with CCAR winding maximizes heat dissipation, while the 425 oz ferrite magnet packs serious magnetic force to keep your bass clean and powerful.
Versatile Box Compatibility
Drop the DIA-CARBON12.1D into sealed enclosures (~1.3 ft³) for tight, punchy bass, or ported boxes (~2 ft³) for booming low-frequency extension. It flexes to fit your build and your sound.
Maximum Impact
With a wide frequency response from 10Hz to 200Hz and a sensitivity of 82 dB, this subwoofer brings detailed, impactful bass with minimal amplifier strain. Push your system harder without losing clarity or control.
Own the streets with Black Diamond’s DIA-CARBON12.1D!
Key Features
- Carbon Fiber Cone
- Carbon Fiber Dust Cap
- SPL-Competition
- High Excursion
- Aluminum Basket
Specifications
| Nominal Diameter | 12" / 305mm |
|---|---|
| Nominal Impedance | 1+1 Ohm |
| RMS Power Handling | 3500W |
| MAX Power Handling | 7000W |
| Sensitivity (1w/1m) | 82dB |
| Frequency Response | 10-200Hz |
| Recommended Low-Pass Crossover | 60Hz |
| Improved Heat Dissipation | Yes |
| Cone Shape | Conic |
| Speaker Terminals | Push Terminals 4ga |
| Voice Coil Diameter | 3.5" / 89mm |
| Voice Coil Former Material | Aluminum |
| Winding Material | CCAR |
| Cone Material | Carbon Fiber |
| Dust Cap Material | Carbon Fiber |
| Dust Cap Size | 6" / 150mm |
| Surround Material | Foam |
| Spider Diameter | 9" / 228mm |
| Leads Connection Type | Spider Crossed |
| Basket Material | Aluminum |
| Basket Color/Finish | Aluminum/Black |
| Magnet Material | Ferrite |
| Magnet Weight | 425 Oz |
| Equivalent Volume Vas | 15.8L / 0.557ft3 |
| Excursion (one way) Xmax | 22.5mm |
| Free Air Resonance Fs | 38Hz |
| Mechanical Factor Qms | 4.878 |
| Electrical Factor Qes | 0.816 |
| Total Factor Qts | 0.699 |
| Moving Mass Mms | 349.305g |
| Compliance Cms | 50.114mm/N |
| Bl Factor BI | 14.3 |
| Voice Coil Inductance Le | 0.98mH |
| Diaphragm Area Sd | 471.4cm2 |
| DC Resistance Re | 1+1 Ohms |
| Efficiency Bandwidth Product EBP | 46.5 |
| Sealed Internal Volume | 37L / 1.3ft3 |
| Sealed Box Output Response F3 | 38Hz |
| Ported Internal Volume | 56.6L / 2ft3 |
| Port Size *Square (WxHxLong) | 2"x12"x20.7" |
| Port Tunning Frequency Fb | 35Hz |
| Ported Box Output Response F3 | 27Hz |
| Overall Diameter | 12.8" / 326mm |
| Overall Depth | 11.65" / 296mm |
| Front Mount Baffle Cutout | 11.15" / 283mm |
| Mounting Depth | 9.75" / 248mm |
| Motor Diameter | 9" / 230mm |






