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| 400-2000 Bass drive unit. |
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This low register driver unit of high efficiency (96 dB) offers a low register quick, deep and very pleasant to listening. Its exponential cone ensures you a broad band-width with a natural cut at 4000 Hz without accidents in run-out. Its engine made up of a ring of 3.5 kg of Alnico makes it possible to obtain the field necessary to reach a such efficiency.
These qualities enable him to be directly coupled with an 1 inch horn. Iin a bassreflex box or jensen, crossed with 500Hz, the response curve will be right with ± 2 dB from 40 Hz until the final frequency of engine 1 inch. |
Mesurements curves |
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400-2000 Specifications |
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Efficiency 1 W/1m at Fs |
96 dB | Fs | 23 Hz |
| Frequency response | 8 ohms | Re | 6.5 ohms |
| Impedance | 24 à 4kHz | Qts | 0.27 |
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Power max. RMS |
120 W | Qe | 0.28 |
| Weight | 10.7 kg | Qm | 9 |
| Suspension | Toile | Vas | 450 |
| Linear excursion | 10 mm | Bl | 14.5 |
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Magnet diameter |
3.5 kg | Cms | 0.6 |
| Magnetic field | 1.6 T | Mms | 70 g |
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Diameter HP |
404 mm | Sd | 855 cm² |
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Frame thickness |
Alu 10mm | ||
| Diameter fixation holes | 382 mm | ||
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Diameter drilling enclosure |
358 mm | ||
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Depth HP |
215 mm |