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 | 215 mm (8.46 in) |
| Flange and Gasket Thickness | 13.9 mm (0.55 in) |
| Net Weight | 6.1 kg (13.4 lb) |
| Shipping Box (Single Carton Box) |
503 x 500 x 258 mm (19.8 x 19.7 x 10.2 in) |
| Shipping Weight | 7.5 kg (16.5 lb) |
Technical Parameters
| Nominal Impedance | 8 Ohm |
| Minimum Impedance | 6.6 Ohm |
| AES Power Handling (1) | 700 W |
| Maximum Power Handling (2) | 1400 W |
| Sensitivity (1W/1m) | 99 dB |
| Frequency Range | 35÷2500 Hz |
| Voice Coil Diameter | 77 mm (3 in) |
| Winding Material | Cu |
| Former Material | Glass Fiber |
| Winding Depth | 26.5 mm (1.04 in) |
| Magnetic Gap Depth | 12 mm (0.47 in) |
| Flux Density | 1.26 T |
| Magnet | Neodymium Ring |
| Basket Material | Aluminum |
| Demodulation | Aluminum Ring |
| Cone Surround (3) | Triple Roll |
| NET Air Volume filled by Loudspeaker | 5.3 dm^3 (0.187 ft^3) |
| Spider Profile | 1x variable height waves |
Thiele and small parameters
| Fs | 32 Hz |
| Re | 5 Ohm |
| Qes | 0.31 |
| Qms | 9.8 |
| Qts | 0.30 |
| Vas | 257.3 dm^3 (9.08 ft^3) |
| Sd | 1213 cm^2 (188.02 in^2) |
| Xmax (4) | 11.25 mm |
| Xdamage (5) | 22.9 mm |
| Mms | 175.0 g |
| Bl | 24.5 N/A |
| Le | 1.35 mH |
| Mmd | 127.3 g |
| Cms | 0.13 mm/N |
| Rms | 3.8 kg/s |
| Eta Zero | 2.92 % |
| EBP | 110 Hz |
