RCF |
LF21N401 |
LF21N401-8 |
11100120 |
Cone driver |
Sold by piece |
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Brand RCF |
Model LF21N401 |
TLHP code LF21N401-8 |
Manufacturer code 11100120 |
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Product type Cone driver |
Sales packaging Sold by Piece |
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This product is in the process of supply to be in stock.
Reserved on order
Next TLHP reception estimated between Mar 31, 2024 and Apr 7, 2024
Le LF21N401 est idéal pour les applications subwoofers bass-reflex où le faible poids est recherché, compiné à un facteur BL élevé et une puissance admissible importante.
General |
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Product type | Cone driver |
Brand | RCF |
Reference | LF21N401 |
Product code | 11100120 |
Informations |
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Nominal impedance | 8 ohm |
Dimensional category | 21 inch |
Frequency coverage type | Sub, Low |
Manufacturer sensitivity | 98 dB |
Calculated sensitivity | 95.87 dB |
Nominal power handling | 1500 W |
Max power handling | 3000 W |
Bandwidth | 25÷1000 Hz |
Fundamental parameters |
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Sd | 1730 cm² |
Mms | 318 gr |
Le | 1.7 mH |
Re | 5 ohm |
BL | 27.6 T.m |
Small signal parameters |
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Fs | 30 Hz |
Qes | 0.4 |
Qms | 6.8 |
Qts | 0.37 |
Vas | 374 L |
Datas |
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Xmax | ±11 mm |
Calculated Xmax | ±13 mm |
EBP | 75 Hz |
Zmin | 7 ohm |
Fs / Qts | 81 Hz |
Vas * Qts² | 51.21 L |
Efficiency | 2.5 % |
Calculated efficiency | 2.43 % |
Weight | ~9.2 kg |
Air volume occupied by the driver | 6.5 L |
Dimensions |
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Voice coil diameter | 4 inch |
Winding depth | 31 mm |
Gap height | 15 mm |
Outside diameter | 547 mm |
Baffle cutout diameter | 508 mm |
Front thickness | 15 mm |
Depth after front | 219 mm |
Diamètre aimant (mm) | 138 mm |
Shape & Materials |
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Front chape | Cylindrical |
Magnet type | Neodymium |
Basket masterial | Aluminium |
Winding material | Copper |
Surround material | Cloth |
Cone shape | Curvilinear |
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.
* Frequency response curve of the loudspeaker make in a hemispherical
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.