RCF LF18X401

​

Говорител - 18" - 1500W RMS - 97.5dB - 25Hz-1kHz

FEATURES

4-inch, fiberglass inside/outside copper voice coil

3000W continuous program power handling

97.5 dB Sensitivity

25 Hz – 1 kHz Frequency range

Dual Forced Hyperventing System

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:3000 W AES

Power handling capacity:1500 W AES

Sensitivity:97.5 dB

Frequency Range:25 Hz ÷ 1000 Hz

Effective Piston Diameter:395 / 15.6 mm/inch

Max Excursion Before Damage (peak to peak):50 / 1.97 mm/inch

Minimum Impedance:6.5 Ω

Voice Coil Diameter:100 / 4 mm/inch

Voice Coil Material:Copper

Voice Coil Winding Depth:30 / 1.18 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

Resonance frequency:30 Hz

DC resistance:5.4Ω

Mechanical factor:7.4

Electrical factor:0.31

Total factor:0.30

BL Factor:26.5 T · m

Effective Moving Mass:215 g

Equivalent Cas air load:274 liters

Effettive piston area:0.122 m²

Max. linear excursion (mathematical):11.5 mm

Voice - coil inductance @ 1kHz:2,5 mH

Half-space efficiency:2.30%

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:188 / 7.4 mm/inch

Volume occupied by the driver:6.5 / 0.23 liters/ft³

Net Weight:13.3 / 29.3 kg/lbs

SHIPPING INFORMATION

Shipping weight:14.3 / 31.5 kg/lbs