RCF - LF21N451

Haut Parleur 21"NEODYMIUN – 1500 W rms

DISPO UNIQUEMENT Sur Commande . Sous réserve de DISPO FOURNISSEUR

Diamètre nominal : 530/21 mm/inch
Impédance nominale : 8 ohm
Puissance admissible max : (1) 3000 Watts
Puissance admissible en continue (2) : 1500 watts
Sensibilité (3) : 98,5 dB
Bande passante : 30 - 1000 Hz
Diamètre piston : 470/18.5 mm/inch
Excursion macimale avant dégâts (peak to peak) : 60/2.36 mm/inch
Impédance minimale : 7.1 ohm
Diamètre bobine : 115/4.5 mm/inch
Matériaux bobine : cuivre
Profondeur bobine : 28/1.1 mm/inch
Nombre de couches : 2
Type de couche : intérieur/extérieur (inside/outside)
Haut épaisseur de la platine : 15/0.6 mm/inch
Matériaux cône : pâte non pressée
Design du cône : en courbe
Matériaux surround : polycotton
Design surround : triple rouleau

Nominal Diameter: 530 / 21 mm/inch
Rated Impedance: 8 Ω
Program Power: 3000 Watts AES
Power handling capacity: 1500 Watts AES
Sensitivity: 98.5 dB
Frequency Range: 30 Hz ÷ 1000 Hz
Effective Piston Diameter: 470 / 18.5 mm/inch
Max Excursion Before Damage (peak to peak): 60 / 2.36 mm/inch
Minimum Impedance: 7.1 Ω
Voice Coil Diameter: 115 / 4.5 mm/inch
Voice Coil Material: Copper
Voice Coil Winding Depth: 28 / 1.1 mm/inch
Number of layers: 2
Kind of layer: inside / outside
Top Plate Thickness: 15 / 0.6 mm/inch
Cone Material: No pressed pulp
Cone Design: Curved
Surround Material: Polycotton
Surround Design: Triple roll
THIELE SMALL PARAMETERS
DC resistance: 5.6 Ω
Mechanical factor: 8
Electrical factor: 0.25
Total factor: 0.24
BL Factor: 33.5 T · m
Effective Moving Mass: 272 gr
Equivalent Cas air load: 440 liters
Effettive piston area: 0.173 m²
Max. linear excursion (mathematical): 10.2 mm
Voice - coil inductance @ 1KHz: 2.9 mH
Half-space efficiency: 3.5 %
MOUNTING INFORMATION
Overall Diameter: 547 / 21.5 mm/inch
Bolt Circle Diameter: 527 / 20.7 mm/inch
Bolt Hole Diameter: 6.5 / 0.25 mm/inch
Front Mount Baffle Cut-out: 512 / 20.1 mm/inch
Rear Mount Baffle Cut-out: 512 / 20.1 mm/inch
Depth: 250 / 9.8
Volume occupied by the driver: 6.5 / 0.229 liters/ft³
Net Weight 10.9 / 24 Kg/Lbs
SHIPPING INFORMATION
Shipping Weight: 12.1 / 26.6 Kg/Lbs