Volcano Series
| 模型 | SVL-1847 D1 / SVL-1847 D2 |
| Type | 低音炮 |
| 尺寸 | 18 inch |
| 音圈大小 | 4.00 inch |
| 锥体 | 纸 |
| 磁铁 | 铁素体 |
| Voice coil wire | CCAW |
| 环绕 | 泡沫 |
| RMS Power | 3800 W |
| MAX Power | 7600 W |
| 帧 | Alu |
| 阻抗 | 1+1 / 2+2 Ohm |
| SPL | 88.50 / 88.50 dB |
| Fs | 33.00 / 33.00 Hz |
| Qts | 0.33 / 0.33 |
| BL | 27.30 / 27.30 |
| Vas | 178.00 / 177.00 L |
| Xmeh | 66.00 / 66.00 mm |
| Xmax | 33.00 / 33.00 mm |
| Mounting depth | 12.26 inch (311.5 mm) |
| Cut-out dimension | 16.81 inch (426.9 mm) |