| Brand | DS18 |
| Nominal Diameter | 12" / 304.8mm |
| Nominal Impedance | 4 + 4 ohms |
| RMS Power Handling | 1000W |
| Maximum Power Handling | 2000W |
| Sensitivity (1w/1m) | 89.2dB |
| Frequency Response | 15Hz-1.8KHz |
| Recommended Lo Pass Crossover | 90Hz |
| Voice Coil Diameter | 3" / 76.2mm |
| Voice Coil Former Material | Black Aluminum |
| Winding Material | CCAW |
| Cone Material | Non-Pressed Paper |
| Dust Cap Material | PPI |
| Surround Material | Foam |
| Basket Material | Aluminum |
| Basket Color/Finish | Black Sandblasted |
| Magnet Material | Ferrite |
| Magnet Weight | 224 Oz (4 x 56 oz) |
| Displacement Volume | 3.99L / 0.14 ft3 |
| Equivalent Volume Vas | 15.63L / 0.55ft3 |
| Free Air Resonance Fs | 31Hz |
| Mechanical Factor Qms | 5.274 |
| Electrical Factor Qes | 0.594 |
| Total Factor Qts | 0.534 |
| Moving Mass Mms | 238.433g |
| Compliance Cms | 0.065mm/N |
| Bl Factor Bl | 14.55 |
| Voice Coil Inductance Le | 12.89 mH |
| Diaphragm Area Sd | 530.93cm2 |
| DC Resistance Re | 4.0+4.0 ohms |
| Efficiency Bandwidth Product EBP | 52.1 |
| Sealed Internal Volume | 21.2L / 0.75ft3 |
| Sealed Box Output Response F3 | 42Hz |
| Ported Internal Volume | 39.6L / 1.4ft3 |
| Port Size *Square (W x H x Long) | 1.23" x 12.28" x 24.35" / 32.1 x 312 x 618.4mm |
| Port Tuning Frequency FB | 32Hz |
| Ported Box Output Response F3 | 26Hz |
| Overall Diameter | 12.55" / 319mm |
| Overall Depth | 9.13" / 232mm |
| Front Mount Baffle Cutout | 11.1" / 282mm |
| Mounting Depth | 7.55" / 192mm |
| Motor Diameter | 7.08" / 180mm |
| Gross Single Unit Weight | 35 |
| Dimensions W x L x H | 14.5 x 14.75 x 11.5 |
| Parts Warranty | 1 Year |
| Labor Warranty | 1 Year |
