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 | 223 mm (8.78 in) |
| Flange and Gasket Thickness | 14 mm (0.55 in) |
| Net Weight | 14.7 kg (32.4 lb) |
| Shipping Box (Single Carton Box) |
490 x 485 x 275 mm (19.3 x 19.1 x 10.8 in) |
| Shipping Weight |
16.2 kg (35.7 lb) |
Technical Parameters
| Nominal Impedance | 8 Ohm |
| Minimum Impedance | 6.5 Ohm |
| AES Power Handling (1) | 1600 W |
| Maximum Power Handling (2) | 3200 W |
| Sensitivity (1W/1m) | 97 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 mm (0.59 in) |
| Flux Density | 1.1 T |
| Magnet | Ferrite Ring |
| Basket Material | Aluminum |
| Demodulation | Triple Al Dem. Ring |
| Cone Surround (3) | Triple Roll |
| NET Air Volume filled by Loudspeaker | 7.4 dm^3 (0.261 ft^3) |
| Spider Profile | 2x non-adjacent symmetrical constant height waves |
Thiele and small parameters
| Fs | 32 Hz |
| Re | 5.4 Ohm |
| Qes | 0.39 |
| Qms | 10.0 |
| Qts | 0.38 |
| Vas | 195.9 dm^3 (6.92 ft^3) |
| Sd | 1212 cm^2 (187.86 in^2) |
| Xmax (4) | 13.00 mm |
| Xdamage (5) | 30 mm |
| Mms | 259.0 g |
| Bl | 27 N/A |
| Le | 1.68 mH |
| Mmd | 211.3 g |
| Cms | 0.10 mm/N |
| Rms | 5.2 kg/s |
| Eta Zero | 1.61 % |
| EBP | 82 Hz |
