| General Specifications |
| Nominal Diameter | 321 mm / 12 in
| | Nominal Impedance | 8 Ω
| | Rated Power AES | 700 W
| | Continuos Program Power | 1400 W
| | Sensitivity @ 1W/1m | 97.8 dB
| | Voice Coil Diameter | 100 mm (4")
| | Voice Coil Winding Depth | 18 mm
| | Magnetic Gap Depth | 10 mm
| | Flux Density | 1.31 T
| | Magnet Weight | 3300 g
| | Net Weight | 11.7 Kg
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| Constructive Characteristics |
| Magnet Type | Ferrite
| | Basket Material | Aluminium Die-Cast
| | Voice Coil Winding Material | Copper
| | Voice Coil Former Material | Kapton
| | Cone Material | Paper
| | Cone Treatment | Humidity Resistant Pulp
| | 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 | 147.3 mm
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| Thiele/Small Parameters |
| Re | 5.2 Ω
| | Qms | 6.24
| | Qts | 0.20
| | Cms | 130 µm/N
| | Vas | 52.0 l
| | X max | +/- 6.0 mm
| | N | 2.38 %
| | Fs | 46.0 Hz
| | Qes | 0.21
| | Mms | 92.1 g
| | Bxl | 26.01 Tm
| | Sd | 530.9 cm²
| | X var | +/- 10.0 mm
| | Le (1KHz) | 1.33 mH
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