Available 4 Ohm, 8 Ohm and 16 Ohm
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 | 135 mm (5.31 in) |
| Flange and Gasket Thickness | 12 mm (0.47 in) |
| Net Weight | 4.3 kg (9.5 lb) |
| Shipping Box (Single Carton Box) |
350 x 346 x 190 mm (13.8 x 13.6 x 7.5 in) |
| Shipping Weight | 5 kg (11.0 lb) |
Technical Parameters
| Nominal Impedance | 8 Ohm |
| Minimum Impedance | 6.7 Ohm |
| AES Power Handling (1) | 300 W |
| Maximum Power Handling (2) | 600 W |
| Sensitivity (1W/1m) | 99 dB |
| Frequency Range | 50÷4000 Hz |
| Voice Coil Diameter | 65 mm (2.56 in) |
| Winding Material | Al |
| Former Material | Glass Fiber |
| Winding Depth | 12.5 mm (0.49 in) |
| Magnetic Gap Depth | 8 mm (0.31 in) |
| Flux Density | 1.2 T |
| Magnet | Ferrite Ring |
| Basket Material | Aluminum |
| Demodulation | No |
| Cone Surround (3) | M-Roll |
| NET Air Volume filled by Loudspeaker | 1.9 dm^3 (0.067 ft^3) |
| Spider Profile | 1x variable height waves |
Thiele and small parameters
| Fs | 54 Hz |
| Re | 5.4 Ohm |
| Qes | 0.41 |
| Qms | 11.6 |
| Qts | 0.40 |
| Vas | 73.5 dm^3 (2.59 ft^3) |
| Sd | 533 cm^2 (82.62 in^2) |
| Xmax (4) | 4.92 mm |
| Xdamage (5) | 15.25 mm |
| Mms | 46.9 g |
| Bl | 14.4 N/A |
| Le | 0.61 mH |
| Mmd | 33.0 g |
| Cms | 0.19 mm/N |
| Rms | 1.4 kg/s |
| Eta Zero | 2.71 % |
| EBP | 132 Hz |
