Nominal Specifications
| Nominal Diameter | 300 mm (12 in) |
| Overall Diameter | 316 mm (12.44 in) |
| Bolt Circle Diameter | 298.5 mm (11.75 in) |
| Baffle Cutout Diameter | 282 mm (11.10 in) |
| Depth | 145.1 mm (5.71 in) |
| Flange and Gasket Thickness | 17.1 mm (0.67 in) |
| Net Weight | 8.1 kg (17.9 lb) |
| Shipping Box (Single Carton Box) |
350 x 346 x 216 mm (13.8 x 13.6 x 8.5 in) |
| Shipping Weight | 8.8 kg (19.4 lb) |
Technical Parameters
| Nominal Impedance | 8 Ohm |
| Minimum Impedance | 6.3 Ohm |
| AES Power Handling (1) | 500 W |
| Maximum Power Handling (2) | 1000 W |
| Sensitivity (1W/1m) | 93 dB |
| Frequency Range | 45÷2500 Hz |
| Voice Coil Diameter | 77 mm (3 in) |
| Winding Material | Cu |
| Former Material | Glass Fiber |
| Winding Depth | 22 mm (0.87 in) |
| Magnetic Gap Depth | 10.5 mm (0.41 in) |
| Flux Density | 1.2 T |
| Magnet | Ferrite Ring |
| Basket Material | Aluminum |
| Demodulation | No |
| Cone Surround (3) | Half Roll |
| NET Air Volume filled by Loudspeaker | 2.9 dm^3 (0.102 ft^3) |
| Spider Profile | 1x variable height waves |
Thiele and small parameters
| Fs | 42 Hz |
| Re | 5.1 Ohm |
| Qes | 0.39 |
| Qms | 6.9 |
| Qts | 0.37 |
| Vas | 45.4 dm^3 (1.60 ft^3) |
| Sd | 528 cm^2 (81.84 in^2) |
| Xmax (4) | 9.25 mm |
| Xdamage (5) | 20 mm |
| Mms | 123 g |
| Bl | 20.5 N/A |
| Le | 1.5 mH |
| Mmd | 109.3 g |
| Cms | 0.12 mm/N |
| Rms | 4.7 kg/s |
| Eta Zero | 0.83 % |
| EBP | 108 Hz |
