RCF LF18N451 WOOFER

Features

4,5 - inch Inside/Outside copper voice coil

3000 Watt continuous program power handling

97.5 dB Sensitivity

30 Hz - 1 kHz Frequency range

Dual-forced air ventilation for minimum power compression

Dual spider designed with silicon based damping control

BL of 30.2 Txm to provide a faster and accurate low frequency

General Specifications

Nominal Diameter: 460/18 mm/inch

Rated Impedance: 8 Ω

Program Power: 3000 W AES

Power handling capacity: 1500 W AES

Sensitivity: 97.5 dB

Frequency Range: 30 Hz ÷ 1000 Hz

Effective Piston Diameter: 395 / 15.6 mm/inch

Max Excursion Before Damage (peak to peak): 60/2.36 mm/inch

Minimum Impedance: 6.3 Ω

Voice Coil Diameter: 115 / 4.5 mm/inch

Voice Coil Material: Copper

Voice Coil Winding Depth: 26 / 1.02 mm/inch

Number of layers: 2

Kind of layer: inside / outside

Top Plate Thickness: 15 / 0.6 mm/inch

Cone Material: No presed pulp

Cone Design: Curved

Surround Material: Polycotton

Surround Design: Triple roll

Thiele/Small Parameters

DC resistance: 5.0Ω

Mechanical factor: 6.0

Electrical factor: 0.25

Total factor: 0.24

BL Factor: 30.2 T · m

Effective Moving Mass: 235 g

Equivalent Cas air load: 245 liters

Effettive piston area: 0.122 m²

Max. linear excursion (mathematical): 8.8 mm

Voice - coil inductance @ 1kHz: 2.6 mH

Half-space efficiency: 2.54%

Mounting information

Overall Diameter: 465 / 18.3 mm/inch

Bolt Circle Diameter: 442-447 / 17.4-17.6 mm/inch

Bolt Hole Diameter: 6.5 / 0.25 mm/inch

Front Mount Baffle Cut-out: 424/16.7 mm/inch

Rear Mount Baffle Cut-out: 424 / 16.7 mm/inch

Depth: 205 / 8.1 mm/inch

Volume occupied by the driver: 5.5/0.19 liters/ft³

Net Weight: 10.6 / 23.3 kg/lbs

Shipping information

Shipping weight: 11.8 / 26 kg/lbs