Speaker RCF LF21X451, 8 ohm, 21.54 inch

Brand 
RCF
Model 
LF21X451
SKU 
LF21X451-8
Manufacturer code 
11100092
Product type 
Cone driver
Sales packaging 
Sold by piece
Brand
RCF
Model
LF21X451
TLHP code
LF21X451-8
Manufacturer code
11100092
Product type 
Cone driver
Sales packaging 
Sold by Piece
Recommended retail price
€643.00
TLHP selling price
480.00IT/piece
excluding delivery service
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25%

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In stock: 3 pieces

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 weeks
90 days to change your mind !
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  • Le 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

Product type Cone driver
Brand RCF
Reference LF21X451
Product code 11100092

Informations

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

Sd 1700 cm²
Mms 355 gr
Le 2.9 mH
Re 5.4 ohm
BL 30.5 T.m

Small signal parameters

Fs 28 Hz
Qes 0.39
Qms 6.9
Qts 0.37
Vas 385 L

Datas

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

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

Front chape Cylindrical
Magnet type Ferrite
Basket masterial Aluminium
Winding material Copper
Voice coil former Glass fiber
Surround material Cloth


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Informations RCF LF21X451-8

Le 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.
Manufacturer RCF
Name Speaker RCF LF21X451, 8 ohm, 21.54 inch
SKU LF21X451-8
Impedance 8 Ohm
Seller TLHP
Price 480.00 400
Availability In stock


All or a part of the characteristics displayed on this page are provided by the manufacturer, it is possible that some pieces of information are unavailable or wrong. In addition, the manufacturer may need to change the product specifications without notice at any time in order to improve the product, or to adapt his offer to the manufacturing and supply constraints.. We suggest you to contact us if you need further information, if you observe a mistake or if you wish to have confirmation about information.

Measures/Schemes RCF LF21X451-8

SPL measure *

Image spl measure cone driver RCF Speaker RCF LF21X451, 8 ohm, 21.54 inch

* Frequency response curve of the loudspeaker make in a hemispherical


Impedance measure *

Image impedance measure cone driver RCF Speaker RCF LF21X451, 8 ohm, 21.54 inch

* Impedance magnitude curve measured in free air.


Dimensions

Image Drawing & Mounting cone driver RCF Speaker RCF LF21X451, 8 ohm, 21.54 inch

Garantie

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.

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