18 Sound 21LW2500 speaker, 4 ohm, 21 inch
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Eighteen Sound |
21LW2500 |
21LW2500-4 |
ALT212500WF04FA - 0222142500 |
Cone driver |
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Brand Eighteen Sound |
Model 21LW2500 |
TLHP code 21LW2500-4 |
Manufacturer code ALT212500WF04FA - 0222142500 |
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Product type Cone driver |
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Unavailable
General |
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| Product type | Cone driver |
| Brand | Eighteen Sound |
| Reference | 21LW2500 |
| Product code | ALT212500WF04FA - 0222142500 |
Informations |
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| Nominal impedance | 4 ohm |
| Dimensional category | 21 inch |
| Frequency coverage type | Sub, Low |
| Manufacturer sensitivity | 95 dB |
| Calculated sensitivity | 93.45 dB |
| Nominal power handling | 1600 W |
| Max power handling | 3200 W |
| Bandwidth | 30÷1000 Hz |
Fundamental parameters |
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| Sd | 1660 cm² |
| Mms | 370 gr |
| Cms | 88 µm/N |
| Le | 1.6 mH |
| Re | 4.9 ohm |
| BL | 19 T.m |
Small signal parameters |
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| Fs | 28 Hz |
| Qes | 0.47 |
| Qms | 15.7 |
| Qts | 0.46 |
| Vas | 310 L |
Datas |
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| Xmax | ±14 mm |
| EBP | 60 Hz |
| Zmin | 6.1 ohm |
| Fs / Qts | 61 Hz |
| Vas * Qts² | 65.6 L |
| Calculated efficiency | 1.39 % |
| Weight | ~17.9 kg |
Dimensions |
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| Voice coil diameter | 4 inch |
| Outside diameter | 545 mm |
| Baffle cutout diameter | 492 mm |
| Depth | 252 mm |
| Front thickness | 18 mm |
| Depth after front | 234 mm |
Shape & Materials |
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| Front chape | Cylindrical |
| Magnet type | Ferrite |
Question about Eighteen Sound 21LW2500-4
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Eighteen Sound 21LW2500-4, Range, version, replacement...
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Informations Eighteen Sound 21LW2500-4
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Measures/Schemes Eighteen Sound 21LW2500-4
SPL measure
Impedance measure
