Tsunami Series
| Model | STU-1246 D2 / STU-1246 D1 |
| Type | Subwoofer |
| Size | 12 inch |
| Voice coil size | 4,00 inch |
| Cone | Paper |
| Magnet | Ferrite |
| Voice coil wire | CCAW |
| Surround | Foam |
| RMS Power | 3000 W |
| MAX Power | 6000 W |
| Frame | Alu |
| Impedance | 2+2 / 1+1 Ohm |
| SPL | 85,70 / 85,10 dB |
| Fs | 34,00 / 31,20 Hz |
| Qts | 0,38 / 0,40 |
| BL | 25,20 / 23,70 |
| Vas | 75,00 / 89,00 L |
| Xmeh | 56,00 / 56,00 mm |
| Xmax | 28,00 / 28,00 mm |
| Mounting depth | 8,66 inch (220,0 mm) |
| Cut-out dimension | 11,02 inch (280,0 mm) |
| Gross weight | 55,12 lb (25,00 kg) |