| General Specifications |
| Nominal Diameter | 321 mm / 12 in | | Nominal Impedance | 8 Ω | | Rated Power AES | 450 W | | Continuos Program Power | 900 W | | Sensitivity @ 1W/1m | 92.2 dB | | Voice Coil Diameter | 75 mm (3") | | Voice Coil Winding Depth | 20 mm | | Magnetic Gap Depth | 10 mm | | Flux Density | 1.00 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 | Copper | | Voice Coil Former Material | Fiberglass | | Cone Material | Paper | | Cone Treatment | Surface Waterproof Treatment | | Surround Material | Rubber | | 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 on Ø300 mm | | Total Depth | 140.8 mm |
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| Thiele/Small Parameters |
| Re | 5.2 Ω | | Qms | 2.96 | | Qts | 0.40 | | Cms | 178 µm/N | | Vas | 60.9 l | | X max | +/- 8.0 mm | | N | 0.65 % | | Fs | 37.0 Hz | | Qes | 0.46 | | Mms | 104.0 g | | Bxl | 16.57 Tm | | Sd | 490.9 cm² | | X var | +/- 9.0 mm | | Le (1KHz) | 1.29 mH |
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