| General Specifications |
| Nominal Diameter | 462 mm / 18 in
| | Nominal Impedance | 8 Ω
| | Rated Power AES | 500 W
| | Continuos Program Power | 1000 W
| | Sensitivity @ 1W/1m | 96.9 dB
| | Voice Coil Diameter | 75 mm (3")
| | Voice Coil Winding Depth | 20 mm
| | Magnetic Gap Depth | 10 mm
| | Flux Density | 1.08 T
| | Magnet Weight | 2035 g
| | Net Weight | 8.6 Kg
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| Constructive Characteristics |
| Magnet Type | Ferrite
| | Basket Material | Aluminium Die-Cast
| | Voice Coil Winding Material | Copper
| | 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 | 462 mm
| | Baffle Cutout Diameter | 417 mm
| | Mounting Holes | 8 holes 6.5×9 on Ø441 mm
| | Total Depth | 196.5 mm
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| Thiele/Small Parameters |
| Re | 5.1 Ω
| | Qms | 3.10
| | Qts | 0.44
| | Cms | 167 µm/N
| | Vas | 321.0 l
| | X max | +/- 6.5 mm
| | N | 1.88 %
| | Fs | 31.6 Hz
| | Qes | 0.52
| | Mms | 152.0 g
| | Bxl | 17.22 Tm
| | Sd | 1164.2 cm²
| | X var | +/- 10.5 mm
| | Le (1KHz) | 1.41 mH
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