RCF-LF18N451

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Говорител - 18" - 1500W RMS - 97.5dB - 30Hz-1kHz

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