18 Sound 18TLW3000
| General | |
| Product type | Cone driver |
| Brand | Eighteen Sound |
| Reference | 18TLW3000 |
| Product code | ALT183000WF04FA - 0221843000 |
| Information | |
| Nominal impedance | 4 ohm |
| Dimensional category | 18 inch |
| Frequency coverage type | Sub, Low |
| Manufacturer sensitivity | 94 dB |
| Calculated sensitivity | 94.11 dB |
| Nominal power handling | 1800 W |
| Max power handling | 3600 W |
| Bandwidth | 30÷2000 Hz |
| Fundamental parameters | |
| Sd | 1225 cm² |
| Mms | 280 gr |
| Cms | 90 µm/N |
| Le | 1.2 mH |
| Re | 2.4 ohm |
| BL | 20 T.m |
| Small signal parameters | |
| Fs | 32 Hz |
| Qes | 0.36 |
| Qms | 13.8 |
| Qts | 0.35 |
| Vas | 185 L |
| Data | |
| Xmax | ±12 mm |
| EBP | 89 Hz |
| Zmin | 3 ohm |
| Fs / Qts | 91 Hz |
| Vas * Qts² | 22.67 L |
| Calculated efficiency | 1.62% |
| Weight | ~13.2 kg |
| Dimensions | |
| Voice coil diameter | 4 inch |
| Outside diameter | 462 mm |
| Baffle cutout diameter | 416 mm |
| Depth | 275 mm |
| Front thickness | 24 mm |
| Depth after front | 251 mm |
| Shape & Materials | |
| Front chape | Cylindrical |
| Magnet type | Ferrite |