RCF |
LF21X451 |
LF21X451-8 |
11100092 |
Cone driver |
Sold by piece |
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Brand RCF |
Model LF21X451 |
TLHP code LF21X451-8 |
Manufacturer code 11100092 |
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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: 3 weeksLe RCF LF21X451 est le haut-parleur 21 pouce ferrite nouvelle génération de RCF, il s'agit d'une très bonne alternative aux 21 pouce neodymium. Le LF21X451 est un subwoofer très puissant dédié aux systèmes de sonorisation professionnels en extérieur et très grande pièce intérieure.
General |
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Product type | Cone driver |
Brand | RCF |
Reference | LF21X451 |
Product code | 11100092 |
Informations |
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Nominal impedance | 8 ohm |
Dimensional category | 21 inch |
Frequency coverage type | Sub, Low |
Manufacturer sensitivity | 97 dB |
Calculated sensitivity | 95.2 dB |
Nominal power handling | 2000 W |
Bandwidth | 28÷1000 Hz |
Fundamental parameters |
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Sd | 1700 cm² |
Mms | 355 gr |
Le | 2.9 mH |
Re | 5.4 ohm |
BL | 30.5 T.m |
Small signal parameters |
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Fs | 28 Hz |
Qes | 0.39 |
Qms | 6.9 |
Qts | 0.37 |
Vas | 385 L |
Datas |
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Xmax | ±14 mm |
Calculated Xmax | ±14.5 mm |
EBP | 72 Hz |
Zmin | 6 ohm |
Fs / Qts | 76 Hz |
Vas * Qts² | 52.71 L |
Efficiency | 2.2 % |
Calculated efficiency | 2.09 % |
Dimensions |
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Voice coil diameter | 4.5 inch |
Winding depth | 34 mm |
Gap height | 15 mm |
Outside diameter | 547 mm |
Baffle cutout diameter | 508 mm |
Front thickness | 15 mm |
Depth after front | 230 mm |
Diamètre aimant (mm) | 245 mm |
Shape & Materials |
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Front chape | Cylindrical |
Magnet type | Ferrite |
Basket masterial | Aluminium |
Winding material | Copper |
Voice coil former | Glass fiber |
Surround material | Cloth |
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
* Impedance magnitude curve measured in free air.
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.