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RCF LF18G401 18" Power: 900W rms, 1800W prog. Sensitivity: 98 dB Freq. Range 30-1000 Hz
RCF LF18G401 18" Power: 900W rms, 1800W prog. Sensitivity: 98 dB Freq. Range 30-1000 Hz
SKU: LF18G401
Regular price
$689.00
Sale price
$689.00
Shipping calculated at checkout.
Available options
Description
RCF LF18G401 18" Power: 900W rms, 1800W prog. Sensitivity: 98 dB Freq. Range 30-1000 Hz
The LF18G401 is a 18-inch woofer with linear frequency response cheracteristics and very high power handling. The LF18G401 uses a fibre loaded cone assembly along with a high excursion triple roll, constant geometry surround. This combination provides remarkable strength and peak to peak maximum excursion of 50mm.
Features
- 4-inch, fiberglass inside/outside copper voice coil
- 1800W continuous program power handling
- 98 dB Sensitivity
- 30 Hz – 1 kHz Frequency range
- Dual spider design with silicon based dampening control
- Triple-roll surround and corrugated straight cone geometry
Specifications
General Specifications
- Nominal Diameter: 18 inch / 457 mm
- Rated Impedance: 8 ohm
- Program Power: 1800 W
- Power Handling Capacity: 900 W
- Sensitivity: 98.0 dB
- Frequency Range: 30–1000 Hz
- Effective Piston Diameter: 395 mm / 15.55 inch
- Max. Excursion Before Damage: 50 mm / 1.97 inch
- Minimum Impedance: 5.9 ohm
- Voice Coil Diameter: 4.0 inch / 102 mm
- Voice Coil Winding Material: Copper
- Voice Coil Length: 23 mm / 0.91 inch
- Number of Layers: 2
- Kind of Layers: Inside/Outside
- Top Plate Thickness: 12 mm / 0.47 inch
- Cone Design: Straight
- Surround Material: Polycotton
- Surround Design: Triple Roll
- Magnets: Ceramic
- Spider: 03
Thiele–Small Parameters
- Resonance Frequency (Fs): 33 Hz
- DC Resistance (Re): 4.80 ohm
- Mechanical Factor (Qms): 7.60
- Electrical Factor (Qes): 0.30
- Total Factor (Qts): 0.29
- BL Factor (Bl): 24.60 T × m
- Effective Moving Mass (Mms): 182.0 g
- Equivalent Cas Air Loaded (Vas): 268.0 liters
- Effective Piston Area (Sd): 0.120 m²
- Max. Linear Excursion (Xmax): 9 mm
- Voice Coil Inductance @ 1 kHz (Le1k): 1.80 mH
- Half-Space Efficiency (Eff): 3.09%
Mounting Information
- Overall Diameter: 465 mm / 18.31 inches
- Bolt Circle Diameter: 442–447 mm / 17.4–17.6 inch
- Bolt Hole Diameter: 7 mm / 0.28 inch
- Front Mount Baffle Cut-Out: 424 mm / 16.69 inch
- Rear Mount Baffle Cut-Out: 424 mm / 16.69 inch
- Volume Occupied by the Driver: 6 liters / 0.24 ft³
Standard Compliance
- Safety Agency: CE Compliant
Size & Weight
- Height: 196 mm / 7.72 inches
- Diameter: 465 mm / 18.31 inches
- Weight: 13 kg / 28.66 lbs
Shipping Information
- Package Height: 260 mm / 10.24 inches
- Package Width: 500 mm / 19.69 inches
- Package Depth: 520 mm / 20.47 inches
- Package Weight: 15 kg / 33.07 lbs