RCF LF21N401

• Fabricant : RCF
• Modèle : LF21N401
• Catégorie : Haut-parleurs à cône 21" (54 cm)
• Fiche créée le : 28/10/2016

Haut parleur de sub-basses 21 pouces néodyme 1500W 8 ohms

• 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

General Specifications

• Nominal Diameter: 530 / 21 mm/inch
• Rated Impedance: 8 Ω
• 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 Ω
• 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: 5.0Ω
• 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
• Net Weight: 8.8 / 19 kg/lbs

Shipping information

• Shipping weight: 10 / 22 kg/lbs

Distribué par RCF France