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 | 421 mm (16.57 in) |
| Depth | 203.5 mm (8.01 in) |
| Flange and Gasket Thickness | 13.7 mm (0.54 in) |
| Net Weight | 10.1 kg (22.3 lb) |
| Shipping Box (Single Carton Box) |
503 x 500 x 258 mm (19.8 x 19.7 x 10.2 in) |
| Shipping Weight | 11.5 kg (25.4 lb) |
Technical Parameters
| Nominal Impedance | 8 Ohm |
| Minimum Impedance | 6.9 Ohm |
| AES Power Handling (1) | 1000 W |
| Maximum Power Handling (2) | 2000 W |
| Sensitivity (1W/1m) | 98 dB |
| Frequency Range | 35÷2000 Hz |
| Voice Coil Diameter | 100 mm (4 in) |
| Winding Material | Cu |
| Former Material | Glass Fiber |
| Winding Depth | 23 mm (0.91 in) |
| Magnetic Gap Depth | 10.5 mm (0.41 in) |
| Flux Density | 1.05 T |
| Magnet | Ferrite Ring |
| Basket Material | Aluminum |
| Demodulation | No |
| Cone Surround (3) | Triple Roll |
| NET Air Volume filled by Loudspeaker | 7.1 dm^3 (0.251 ft^3) |
| Spider Profile | 2x non-adjacent symmetrical constant height waves |
Thiele and small parameters
| Fs | 35 Hz |
| Re | 5.3 Ohm |
| Qes | 0.42 |
| Qms | 7.8 |
| Qts | 0.40 |
| Vas | 240.1 dm^3 (8.48 ft^3) |
| Sd | 1207 cm^2 (187.09 in^2) |
| Xmax (4) | 9.75 mm |
| Xdamage (5) | 21.9 mm |
| Mms | 175.2 g |
| Bl | 22 N/A |
| Le | 1.8 mH |
| Mmd | 127.8 g |
| Cms | 0.12 mm/N |
| Rms | 4.94 kg/s |
| Eta Zero | 2.37 % |
| EBP | 83 Hz |