| General Specifications |
| Nominal Diameter | 321 mm / 12 in | | Nominal Impedance | 8 Ω | | Rated Power AES | 500 W | | Continuos Program Power | 1000 W | | Sensitivity @ 1W/1m | 96.4 dB | | Voice Coil Diameter | 75 mm (3") | | Voice Coil Winding Depth | 17 mm | | Magnetic Gap Depth | 10 mm | | Flux Density | 1.05 T | | Magnet Weight | 1790 g | | Net Weight | 6.7 Kg |
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| Constructive Characteristics |
| Magnet Type | Ferrite | | Basket Material | Aluminium Die-Cast | | Voice Coil Winding Material | Aluminium | | Voice Coil Former Material | Fiberglass | | Cone Material | Paper | | Cone Treatment | Total Waterproof Treatment | | Surround Material | Treated Cloth | | Dust Dome Material | Solid Paper |
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| Mounting Information |
| Overall Diameter | 320 mm | | Baffle Cutout Diameter | 284 mm | | Mounting Holes | 8 holes 6×9 on Ø301 mm | | Total Depth | 141.3 mm |
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| Thiele/Small Parameters |
| Re | 5.6 Ω | | Qms | 5.80 | | Qts | 0.39 | | Cms | 191 µm/N | | Vas | 76.5 l | | X max | +/- 5.5 mm | | N | 1.84 % | | Fs | 47.0 Hz | | Qes | 0.42 | | Mms | 60.0 g | | Bxl | 15.38 Tm | | Sd | 530.9 cm² | | X var | +/- 8.5 mm | | Le (1KHz) | 0.70 mH |
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