| General Specifications |
| Nominal Diameter | 321 mm / 12 in
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| Net Weight | 5.0 Kg
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| Magnet Weight | 1450 g
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| Nominal Impedance | 8 Ω
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| Rated Power AES | 300 W
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| Continuos Program Power | 600 W
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| Sensitivity @ 1W/1m | 98.6 dB
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| Voice Coil Diameter | 65 mm (2.5")
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| Voice Coil Winding Depth | 16 mm
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| Magnetic Gap Depth | 8 mm
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| Flux Density | 1.30 T
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| Constructive Characteristics |
| Magnet Type | Ferrite
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| Basket Material | Aluminium Die-Cast
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| Voice Coil Winding Material | Copper
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| Voice Coil Former Material | Kapton
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| Cone Material | Paper
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| Cone Treatment | No
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| Surround Material | Treated Cloth
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| Dust Dome Material | None
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| Mounting Information |
| Overall Diameter | 320 mm
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| Baffle Cutout Diameter | 284 mm
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| Mounting Holes | 8 holes 6×9 on ø 301 mm
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| Total Depth | 132.3 mm
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| Throat Diameter for CD | 25.4 mm
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| Compression Driver Mounting Holes 1 | 4 holes M4 on ø 95 mm
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| Compression Driver Mounting Holes 2 | 4 holes M5 on ø 129 mm with adapter Q07310A
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| Thiele/Small Parameters |
| Re | 6.2 Ω
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| Qms | 8.85
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| Qts | 0.30
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| Cms | 211 μm/N
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| Vas | 84.5 I
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| X max | +/- 5.0 mm
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| N | 3.40 %
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| Fs | 50.5 Hz
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| Qes | 0.31
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| Mms | 47.0 g
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| Bxl | 17.30 Tm
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| Sd | 530.9 cm²
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| X var | +/- 8.5 mm
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| Le (1KHz) | 1.12 mH
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