| Power Rating | 1300W RMS/2600W Programme |
| Nominal Diameter | 457mm (18”) |
| Nominal Impedance | 4Ω |
| Sensitivity (1W/1m) | 97 dB |
| Magnet Weight | 5.65kg |
| Resonant Frequency (Fs) | 35Hz |
| DC resistance (Re) | 5.6Ω |
| Electromagnetic Q (Qes) | 0.27 |
| Mechanical Q (Qms) | 12.9 |
| Total Q (Qts) | 0.26 |
| Compliance Equivalent Volume (VAS) | 209 Litr |
| Surface Area of Cone (Sd) | 1257cm2 |
| Reference Efficiency (ηo) | 2.95% |
| Voice Coil | 5.0″ |
| Overhang (Xmax) | 8.0mm |
| Moving Mass (Mms) | 229gm |
| BL Product (BL) | 32.0TM |
| Coil Inductance (Le) | 1.73mH |
| Overall Diameter | 475 × 455 mm |
| Depth | 202 mm |
| Baffle Hole Diameter | 422mm |
| Bolt Mount Diameter (PCD) | 443 mm (8 Bolts) |
| Weight | 18.80kg |
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