SD-18
| Brand | Scan-Speak |
| Manufacturer | Dantax |
| Function | Speaker |
| Produced | 1985 |
| Country | Denmark |
| Model ID | SD 18 |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 25.9 × 54.8 × 24.4 cm (W × H × D) |
| Weight | 12.6kg |
| Frequency Response | 40Hz-22kHz |
| Treble | 2.5cm Dome |
| Midrange/Bass | 18cm Cone |
| Sensitivity (96dB/1m) | 1.6W |
| Impedance (Nominal) | 8Ω |
| Power Handling | 80W |
| Power Handling (Music) | 120W |
| Enclosure Type | Sealed |
| Finish | Walnut |
| MSRP (1985) | 1995 kr |