RCF LF18G400 8 Ohm
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RCF LF18G400 8 Ohm Product Details
The LF18G400 is a 18-inch woofer with linear frequency response characteristics and very high power handling.
The LF18G400 uses a fibre loaded cone assembly along with a high excursion triple roll, constant geometry surround. This combination provides remarkable strength and a peak to peak maximum excursion of 50 mm. Special features of this 18 are the unique T-pole, curved against voice coil overdriving and the 14 mm top plate for best control and power handling.
Applications
The LF18G400 is ideal for use in applications where incredible power handling, long excursion and perfect control is required. Ideal for high quality professional bass reflex and bass-horn systems. The robust mechanical design and optimised weight of the device make it desirable for use in fixed installation or portable professional loudspeaker systems.
Features:
- Nominal Diameter: 460/18 mm/inch
- Rated Impedance: 8 Ohm
- Program Power: 2000 Watts
- Power handling capacity: 1000 Watts
- Sensitivity 1W, 1m: 97.5 dB
- Frequency Range: 25-1000 Hz
- Effective Piston Diameter: 395/15.6 mm/inch
- Maximum Excursion Before Damage: 50/2,0 mm/inch
- Minimum Impedance: 6.0 Ohm
- 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
- Thickness Top Plate Depth: 14/0.55 mm/inch
- Cone Material: No pressed pulp
- Cone Design: Straight
- Surround Material: Polycotton
- Surround Design: Triple roll
- Resonance frequency: Fs 28 Hz
- DC resistance: Re 5.1 Ohm
- Mechanical factor: Qms 4.6
- Electrical factor: Qes 0.29
- Total factor: Qts 0.27
- BL factor: BL 24.2 T - m
- Effective Moving Mass: Mms 190 gr
- Equivalent Cas air load: Vas 360 liters
- Effective piston area: Sd 0.122 m2
- Max. linear excursion: Xmax 9.0 mm
- Voice - coil inductance @ 1KHz: Le1k 2.3 mH
- Half-space efficiency: Eff 2.63 %
- Overall Diameter: 465 /18.3 mm/inch
- Bolt Circle Diameter: 442-447 mm
- 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: 210/8.3 mm/inch
- Volume occupied by the driver: 7.0 liters/ft3
- Net Weight: 13.3/29.3 Kg/lbs
- Shipping Weight: 14.3/31.5 Kg/lbs
Specs:
- Type: Replacement Part
- Theme: PA and Sonication
