RCF højttalerenhed LF21N401 21" Neodymium 1200W

RCF højttalerenhed LF21N401 21" Neodymium 1200W

LF21N401 er en bashøjttaler specielt designet til at tilbyde kraftfulde og præcise sub-bas frekvenser med lav forvrængning og lav kraftkompression. Enheden tilbyder en hurtig responstid og er udstyret med et fiber-loaded cone.

4.0 - inch Inside/Outside copper voice coil
3000 Watt continuous program power handling
98.0dB Sensitivity
25Hz - 1kHz Frequency range
Dual-forced air ventilation for minimum power compression
Dual spider designed with silicon based damping control
BL of 27.6 T/m to provide a faster and accurate low frequency

Nominal Diameter: 530 / 21 mm/inch
Rated Impedance: 8 Ohm
Program Power: 3000 W AES
Power handling capacity: 1500 W AES
Sensitivity: 98 dB
Frequency Range: 25 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: 6.9 Ohm
Voice Coil Diameter: 100 / 4.0 mm/inch
Voice Coil Material: Copper
Voice Coil Winding Depth: 31 / 1.22 mm/inch
Number of layers: 2
Kind of layer: inside / outside
Top Plate Thickness: 15 / 0.6 mm/inch
Cone Material: No pressed pulp carbon fiber reinforced
Cone Design: Curved
Surround Material: Polycotton
Surround Design: Triple roll

Thiele/Small Parameters
Resonance frequency: 30 Hz
DC resistance: 5.0Ohm
Mechanical factor: 6.8
Electrical factor: 0.40
Total factor: 0.37
BL Factor: 27.6 T · m
Effective Moving Mass: 434318 g
Equivalent Cas air load: 374 liters
Effettive piston area: 0.122 m²
Max. linear excursion (mathematical): 11.4 mm
Voice - coil inductance @ 1kHz: 1.7 mH
Half-space efficiency: 2.50%

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: 219 / 8.62 mm/inch
Volume occupied by the driver: 6.5 / 0.229 liters/ft³

Shipping information
Shipping weight: 10 / 22 kg/lbs
Net Weight:8.8 / 19 kg/lbs

Information

Størrelse:	21"

Størrelse

Vægt:	9,2 kg
Diameter:	547 mm
Dybde:	54,7
Højde:	234 mm

Forsendelsesinformation

Pakke Bredde:	585 mm
Pakke Dybde:	605 mm
Pakke højde:	605 mm
Pakke Vægt:	10 kg