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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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 |
This system is only available for technical questions. For questions of prices, availability of products and deadline thank you to send your request by the contact page.