Nominal Specifications
| Nominal Diameter | 300 mm (12 in) |
| Overall Diameter | 311 mm (12.24 in) |
| Bolt Circle Diameter | 294.5 mm (11.59 in) |
| Baffle Cutout Diameter | 284 mm (11.18 in) |
| Depth | 131 mm (5.16 in) |
| Flange and Gasket Thickness | 7.5 mm (0.30 in) |
| Net Weight | 3.1 kg (6.8 lb) |
| Shipping Box (Single Carton Box) |
350 x 346 x 190 mm (13.7 x 13.6 x 7.48 in) |
| Shipping Weight | 3.9 kg (8.6 lb) |
Technical Parameters
| Nominal Impedance | 8 Ohm |
| Minimum Impedance | 6 Ohm |
| AES Power Handling (1) | 200 W |
| Maximum Power Handling (2) | 400 W |
| Sensitivity (1W/1m) | 97 dB |
| Frequency Range | 55÷4000 Hz |
| Voice Coil Diameter | 44 mm (1.73 in) |
| Winding Material | Cu |
| Former Material | Al |
| Winding Depth | 13.5 mm (0.53 in) |
| Magnetic Gap Depth | 8 mm (0.31 in) |
| Flux Density | 1.10 T |
| Magnet | Ferrite Ring |
| Basket Material | Steel |
| Demodulation | No |
| Cone Surround (3) | Triple Roll |
| NET Air Volume filled by Loudspeaker | 1.9 dm^3 (0.067 ft^3) |
| Spider Profile | 1x constant height waves |
Thiele and small parameters
| Fs | 55 Hz |
| Re | 5 Ohm |
| Qes | 0.63 |
| Qms | 6.6 |
| Qts | 0.57 |
| Vas | 73.6 dm^3 (2.60 ft^3) |
| Sd | 549 cm^2 (85.10 in^2) |
| Xmax (4) | 5.42 mm |
| Xdamage (5) | 14.9 mm |
| Mms | 47.9 g |
| Bl | 11.5 N/A |
| Le | 0.75 mH |
| Mmd | 33.4 g |
| Cms | 0.17 mm/N |
| Rms | 2.5 kg/s |
| Eta Zero | 1.90 % |
| EBP | 88 Hz |
