Black Diamond 12” Dual 3” Voice Coil Subwoofer with Aluminum Basket | 4-Ohm
Product Overview
DS18 DIA-T12.4D
12” Dual 3” Voice Coil Subwoofer with Aluminum Basket | 4+4-ohm DVC
The DIA-T12.4D is built for bass heads. This 12-inch dual voice coil subwoofer packs 1000W RMS and 2000W peak power handling, for hard-hitting low frequencies that make every beat feel alive.
Engineered for Power and Precision
Featuring dual 3” aluminum voice coils and a 4+4 ohm impedance, the DIA-T12.4D offers flexible wiring options so you can tailor your system for MAX output or high-efficiency.
Premium Materials for Maximum Performance
Its sandblasted black aluminum basket is built tough to resist heat and vibration. The large 120 oz ferrite magnet drives extremely large amounts of air for flawless output every session.
Deep Impact
With a frequency response from 20Hz to 200Hz and a recommended low-pass crossover at 80Hz, the DIA-T12.4D delivers earth-shaking lows with precision and clarity!
Built to Fit, Built to Last
Measuring 12.7” in diameter with a mounting depth of 7.03”, this subwoofer fits most custom builds while offering high displacement (2.26L) for powerful sound. It’s ready to handle long sessions and high excursion without breaking a sweat.
Get the most from your low-end with Black Diamond’s DIA-T12.4D!
Key Features
- Premium Non-Pressed Paper Cone
- Dual 3” Aluminum Voice Coils
- Enhanced Power Handling
- Sandblasted Aluminum Basket
- Ferrite Magnet
Specifications
| Nominal Diameter | 12" / 304mm |
|---|---|
| Nominal Impedance | 4+4 Ohm |
| RMS Power Handling | 1000 Watts |
| MAX Power Handling | 2000 Watts |
| Sensitivity (1w/1m) | 82 dB |
| Frequency Response | 20-200Hz |
| Recommended Low Pass Crossover | 80Hz |
| Voice Coil Diameter | 3" / 76.5mm |
| Voice Coil Former Material | Aluminum |
| Winding Material | Copper |
| Cone Material | Non-Pressed Paper |
| Dust Cap Material | PPI |
| Surround Material | Foam |
| Basket Material | Aluminum |
| Basket Color - Finish | Sandblasted Black |
| Magnet Material | Ferrite |
| Magnet Weight | 120 oz |
| Displacement Volume | 2.26L / 0.08 ft³ |
| Equivalent Volume (Vas) | 22.23L / 0.785ft³ |
| Excursion (Xmax) | 24mm |
| Free Air Resonance (Fs) | 32 Hz |
| Mechanical Factor (Qms) | 3.827 |
| Electrical Factor (Qes) | 0.637 |
| Total Factor (Qts) | 0.546 |
| Moving Mass (Mms) | 418.78g |
| Compliance (Cms) | 55.6 M/N |
| Bl Factor (BL) | 11.076 |
| Voice Coil Inductance (Le) | 0.53 mH |
| Diaphragm Area (Sd) | 530.93cm² |
| DC Resistance (Re) | 1.8+1.8 ohm |
| Efficiency Bandwidth Product (EBP) | 50.2 |
| Sealed Internal Volume | 28.3L / 1ft³ |
| Sealed Box Output Response (F3) | 38Hz |
| Ported Internal Volume | 45.3L / 1.6ft³ |
| Port Size - Square (WxHxL) | 1.5"x11.81"x20.43" / 38x300x519mm |
| Port Tuning Frequency (Fb) | 34Hz |
| Ported Box Output Response (F3) | 27Hz |
| Overall Diameter | 12.7" / 323mm |
| Overall Depth | 8.46" / 215mm |
| Front Mount Baffle Cutout | 11.1" / 282mm |
| Mounting Depth | 7.03" / 178.6mm |
| Motor Diameter | 7.08" / 180mm |