Eighteen Sound |
21NLW4000 |
21NLW4000-4 |
ALT214000WF04NA - 022214N400 |
Cone driver |
Sold by piece |
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Brand Eighteen Sound |
Model 21NLW4000 |
TLHP code 21NLW4000-4 |
Manufacturer code ALT214000WF04NA - 022214N400 |
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Product type Cone driver |
Sales packaging Sold by Piece |
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If you want to purchase more than the quantity in stock, have a look at the supply time below :
Indicative average supply lead time: 11 weeks
General |
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Product type | Cone driver |
Brand | Eighteen Sound |
Reference | 21NLW4000 |
Product code | ALT214000WF04NA - 022214N400 |
Informations |
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Nominal impedance | 4 ohm |
Dimensional category | 21 inch |
Frequency coverage type | Sub, Low |
Manufacturer sensitivity | 94 dB |
Calculated sensitivity | 94.67 dB |
Nominal power handling | 1600 W |
Max power handling | 3200 W |
Bandwidth | 30÷1800 Hz |
Fundamental parameters |
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Sd | 1660 cm² |
Mms | 355 gr |
Cms | 99 µm/N |
Le | 1.3 mH |
Re | 2.6 ohm |
BL | 20 T.m |
Small signal parameters |
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Fs | 27 Hz |
Qes | 0.39 |
Qms | 16.3 |
Qts | 0.38 |
Vas | 380 L |
Datas |
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Xmax | ±15 mm |
EBP | 69 Hz |
Zmin | 3 ohm |
Fs / Qts | 71 Hz |
Vas * Qts² | 54.88 L |
Efficiency | 1.9 % |
Calculated efficiency | 1.85 % |
Weight | ~11.6 kg |
Dimensions |
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Voice coil diameter | 4 inch |
Outside diameter | 545 mm |
Baffle cutout diameter | 492 mm |
Depth | 245 mm |
Front thickness | 18 mm |
Depth after front | 227 mm |
Shape & Materials |
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Front chape | Cylindrical |
Magnet type | Neodymium |
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.
This product is under manufacturer's warranty. This warranty protect you for the manufacturing defaults. The warranty does not protect for abnormal use of the product.