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ホーム18インチ ウーファーRCF LF18G401
▼ RCF LF18G401

イタリアRCF社のハイパワー18インチユニット LF18G401。
コストパフォーマンスはもちろん、
同社のネオジウム系ラインナップで垣間見える30hz近辺の落ち込みが無いのも魅力的!。

General Specifications
Nominal Diameter: 460 / 18 mm/inch
Rated Impedance: 8 Ω
Program Power: 1800 W AES
Power handling capacity: 900 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): 50 / 2.0 mm/inch
Minimum Impedance: 5.9 Ω
Voice Coil Diameter: 100 / 4 mm/inch
Voice Coil Material: Copper
Voice Coil Winding Depth: 23 / 0.9 mm/inch
Number of layers: 2
Kind of layer: inside / outside
Top Plate Thickness: 12 / 0.5 mm/inch
Cone Material: No pressed pulp
Cone Design: Straight
Surround Material: Polycotton
Surround Design: Triple roll
Thiele/Small Parameters
DC resistance: 4.8Ω
Mechanical factor: 7.6
Electrical factor: 0.30
Total factor: 0.29
BL Factor: 24.6 T · m
Effective Moving Mass: 182 g
Equivalent Cas air load: 268 liters
Effettive piston area: 0.122
Max. linear excursion (mathematical): 8.5 mm
Voice - coil inductance @ 1kHz: 2.4 mH
Half-space efficiency: 3.09%
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: 7.0 / 0.25 liters/ft³
Net Weight: 13 / 28.9 kg/lbs