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professional speaker/subwoofer speaker/loudspeaker
| Specifications: | |
| Nominal diameter | 15 " |
| Nominal impedance | 8 Ω |
| Power rating | 350 W |
| Sensitivity (1w/1m) | 98 dB |
| Frequency range | 55-3K Hz |
| Voice coil diameter | Φ75.5 mm |
| Magnet dimension | Φ190x23 mm |
| Fs | 55 Hz |
| Re (D.C.) | 4.7 Ω |
| Qms | 4.2 |
| Qes | 0.58 |
| Qts | 0.51 |
| Vas | 120L |
| Cms | 0.11 mm/N |
| n. (%) | 3.3 % |
| Bl | 14.7 T |
| Sd | 0.089 m2 |
| Basket | Die cast aluminum |
| Cone and dust cap | Paper |
| Surround | Cloth |
| Voice coil wire | CCAR |
| Voice coil bobbin | TIL |
| Magnet | Ferrite |
| Over all diameter | Φ393 mm |
| Bolt circle diameter | Φ370 Φ6.8x8 |
| Cut out diameter | Φ359 mm |
| Depth | 159 mm |
| Net weight | 12.3 kg |
professional speaker