RCF LF18X451
- Наличност: Извън наличност
- Кат. номер: 8469
Говорител - 18" - 1800W RMS - 97dB - 30Hz-1kHz
FEATURES
4,5 - inch fiberglas Inside/Outside copper voice coil
3600 Watt continuous program power handling
97 dB Sensitivity
30 Hz - 1 kHz Frequency range
Dual Forced Hyperventing System
Dual spider designed with silicon based damping control
BL of 30.5 Txm to provide a faster and accurate low frequency
GENERAL SPECIFICATIONS
Nominal Diameter:460/18 mm/inch
Rated Impedance:8 Ω
Program Power:3600 W AES
Power handling capacity:1800 W AES
Sensitivity:97 dB
Frequency Range:30 Hz ÷ 1000 Hz
Effective Piston Diameter:395 / 15.6 mm/inch
Max Excursion Before Damage (peak to peak):54/2.12 mm/inch
Minimum Impedance:6.8 Ω
Voice Coil Diameter:115 / 4.5 mm/inch
Voice Coil Material:Copper
Voice Coil Winding Depth:34 / 1.33 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:Straight
Surround Material:Polycotton
Surround Design:Triple roll
THIELE/SMALL PARAMETERS
Resonance frequency:30 Hz
DC resistance:5.4Ω
Mechanical factor:6.7
Electrical factor:0.29
Total factor:0.28
BL Factor:30.5 T · m
Effective Moving Mass:260 g
Equivalent Cas air load:220 liters
Effettive piston area:0.122 m²
Max. linear excursion (mathematical):13.5 mm
Voice - coil inductance @ 1kHz:2,9 mH
Half-space efficiency:1.90%
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:194 / 7.63 mm/inch
Volume occupied by the driver:6.5 / 0.23 liters/ft³
Net Weight:15.2 / 33.4 kg/lbs
SHIPPING INFORMATION
Shipping weight:16.2 / 35.5 kg/lbs
