Eighteen Sound |
18NLS4000 |
18NLS4000-4 |
ALT184000WF04NB |
Cone driver |
Sold by piece |
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Brand Eighteen Sound |
Model 18NLS4000 |
TLHP code 18NLS4000-4 |
Manufacturer code ALT184000WF04NB |
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Product type Cone driver |
Sales packaging Sold by Piece |
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This product is not in stock, it will be supplied when your order is validated.
Indicative average supply lead time: 11 weeks
General |
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Product type | Cone driver |
Brand | Eighteen Sound |
Reference | 18NLS4000 |
Product code | ALT184000WF04NB |
Informations |
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Nominal impedance | 4 ohm |
Dimensional category | 18 inch |
Frequency coverage type | Sub |
Manufacturer sensitivity | 88 dB |
Calculated sensitivity | 91.48 dB |
Nominal power handling | 1200 W |
Max power handling | 2400 W |
Fundamental parameters |
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Sd | 1225 cm² |
Mms | 433 gr |
Le | 2.6 mH |
Re | 2.9 ohm |
BL | 24.2 T.m |
Small signal parameters |
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Fs | 27 Hz |
Qes | 0.36 |
Qms | 13.7 |
Qts | 0.35 |
Vas | 168 L |
Datas |
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Calculated Xmax | ±23.5 mm |
Xvar, Xmech, Xlim | ±22.3 mm |
EBP | 75 Hz |
Zmin | 3.5 ohm |
Fs / Qts | 77 Hz |
Vas * Qts² | 20.58 L |
Efficiency | 25 % |
Calculated efficiency | 0.89 % |
Weight | ~12 kg |
Demodulation ring | Yes |
Dimensions |
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Voice coil diameter | 4 inch |
Winding depth | 52 mm |
Gap height | 15 mm |
Outside diameter | 462 mm |
Baffle cutout diameter | 422 mm |
Depth | 265 mm |
Front thickness | 25.5 mm |
Depth after front | 225 mm |
Diamètre aimant (mm) | 136 mm |
Shape & Materials |
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Front chape | Cylindrical |
Magnet type | Neodymium |
Basket masterial | Aluminium |
Winding material | CCAW (Copper-clad aluminium wire) |
Voice coil former | Glass fiber |
Surround shape | One roll |
Surround material | Foam |
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.