Available 4 Ohm and 8 Ohm
Nominal Specifications
| Nominal Diameter | 460 mm (18 in) |
| Overall Diameter | 460 mm (18.11 in) |
| Bolt Circle Diameter | 440 mm (17.32 in) |
| Baffle Cutout Diameter | 422 mm (16.61 in) |
| Depth | 231 mm (9.09 in) |
| Flange and Gasket Thickness | 14 mm (0.55 in) |
| Net Weight | 12.2 kg (26.9 lb) |
| Shipping Box (Single Carton Box) |
490 x 485 x 275 mm (19.3 x 19.1 x 10.8 in) |
| Shipping Weight | 13.7 kg (30.2 lb) |
Technical Parameters
| Nominal Impedance | 8 Ohm |
| Minimum Impedance | 7.4 Ohm |
| AES Power Handling (1) | 1600 W |
| Maximum Power Handling (2) | 3200 W |
| Sensitivity (1W/1m) | 98 dB |
| Frequency Range | 30÷1500 Hz |
| Voice Coil Diameter | 100 mm (4 in) |
| Winding Material | Cu |
| Former Material | Glass Fiber |
| Winding Depth | 31 mm (1.22 in) |
| Magnetic Gap Depth | 15.5 mm (0.61 in) |
| Flux Density | 1.05 T |
| Magnet | Neodymium Slug Crown |
| Basket Material | Aluminum |
| Demodulation | Triple Al Dem. Ring |
| Cone Surround (3) | Triple Roll |
| NET Air Volume filled by Loudspeaker | 7.3 dm^3 (0.258 ft^3) |
| Spider Profile | 2x non-adjacent symmetrical constant height waves |
Thiele and small parameters
| Fs | 32 Hz |
| Re | 5.4 Ohm |
| Qes | 0.37 |
| Qms | 9.3 |
| Qts | 0.36 |
| Vas | 211.4 dm^3 (7.47 ft^3) |
| Sd | 1212 cm^2 (187.86 in^2) |
| Xmax (4) | 12.92 mm |
| Xdamage (5) | 28 mm |
| Mms | 240.0 g |
| Bl | 26.7 N/A |
| Le | 1.45 mH |
| Mmd | 192.3 g |
| Cms | 0.10 mm/N |
| Rms | 5.2 kg/s |
| Eta Zero | 1.84 % |
| EBP | 86 Hz |