RCF LF18N401

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Говорител - 18" - 1200W RMS - 98dB - 30Hz-1kHz

FEATURES

4 - inch, fiberglass inside-outside copper voice coil

2400 Watt continuous program power handling

98 dB Sensitivity

30 Hz - 1 kHz Frequency range

Dual-forced air ventilation and 15mm top plate for minimum power compression

Dual spider design with silicon based dampening control

Triple-roll surround and corrugated straight cone geometry

GENERAL SPECIFICATIONS

Nominal Diameter:460 / 18 mm/inch

Rated Impedance:8 Ω

Program Power:2400 W AES

Power handling capacity:1200 W AES

Sensitivity:98 dB

Frequency Range:30 Hz ÷ 1000 Hz

Effective Piston Diameter:395 / 15.6 mm/inch

Max Excursion Before Damage (peak to peak):52 / 2.1 mm/inch

Minimum Impedance:6.3 Ω

Voice Coil Diameter:100 / 4 mm/inch

Voice Coil Material:Copper

Voice Coil Winding Depth:25 / 1.0 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:Straight

Surround Material:Polycotton

Surround Design:Triple roll

THIELE/SMALL PARAMETERS

DC resistance:5.1Ω

Mechanical factor:6.5

Electrical factor:0.27

Total factor:0.26

BL Factor:27.8 T · m

Effective Moving Mass:201 g

Equivalent Cas air load:257 liters

Effettive piston area:0.122 m²

Max. linear excursion (mathematical):8.8 mm

Voice - coil inductance @ 1kHz:2.5 mH

Half-space efficiency:3.01%

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 / 0.3 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:9.1 / 20.2 kg/lbs

SHIPPING INFORMATION

Shipping weight:9.8 / 21.8 kg/lbs