Available 4 Ohm and 8 Ohm
Nominal Specifications
| Nominal Diameter | 300 mm (12 in) |
| Overall Diameter | 311 mm (12.24 in) |
| Bolt Circle Diameter | 294 mm (11.57 in) |
| Baffle Cutout Diameter | 284 mm (11.18 in) |
| Depth | 133 mm (5.24 in) |
| Flange and Gasket Thickness | 8 mm (0.31 in) |
| Net Weight | 3.5 kg (7.7 lb) |
| Shipping Box (Single Carton Box) |
350 x 346 x 190 mm (13.7 x 13.6 x 7.48 in) |
| Shipping Weight | 4.3 kg (9.5 lb) |
Technical Parameters
| Nominal Impedance | 8 Ohm |
| Minimum Impedance | 6.1 Ohm |
| AES Power Handling (1) | 250 W |
| Maximum Power Handling (2) | 500 W |
| Sensitivity (1W/1m) | 97 dB |
| Frequency Range | 50÷4000 Hz |
| Voice Coil Diameter | 52 mm (2.05 in) |
| Winding Material | Cu |
| Former Material | Glass Fiber |
| Winding Depth | 12.8 mm (0.50 in) |
| Magnetic Gap Depth | 8 mm (0.31 in) |
| Flux Density | 1.1 T |
| Magnet | Ferrite Ring |
| Basket Material | Steel |
| Demodulation | No |
| Cone Surround (3) | Triple Roll |
| NET Air Volume filled by Loudspeaker | 2 dm^3 (0.071 ft^3) |
| Spider Profile | 1x variable height waves |
Thiele and small parameters
| Fs | 47 Hz |
| Re | 5.1 Ohm |
| Qes | 0.53 |
| Qms | 15.5 |
| Qts | 0.51 |
| Vas | 83.7 dm^3 (2.96 ft^3) |
| Sd | 543 cm^2 (84.17 in^2) |
| Xmax (4) | 5.07 mm |
| Xdamage (5) | 16.7 mm |
| Mms | 56.4 g |
| Bl | 12.5 N/A |
| Le | 0.8 mH |
| Mmd | 42.1 g |
| Cms | 0.20 mm/N |
| Rms | 1.1 kg/s |
| Eta Zero | 1.55 % |
| EBP | 89 Hz |
