Product Overview
RCF's LF18N401 offers linear frequency response characteristics and the highest power handling of any comparable 18" neodymium transducer, the lowest power compression.
The LF18N401 uses a fiber-loaded cone assembly along with a high excursion triple roll,constant geometry surround.
This combination provides remarkable strength venting system guarantee a very efficient voice coil ventilation for minimum power compression and higher power handling.
Features:
- 4" fiberglass inside-outside copper voice coil
- 2400W continuous program power handling
- 98 dB Sensitivity
- 30 Hz - 1 kHz Frequency range
- Dual-forced air ventilation and 15mm top plate for minimum power compression
- Dual spider design with silicon based dampening control
- Triple-roll surround and corrugated straight cone geometry
General Specifications:
- Nominal Diameter: 18" (460 mm)
- Rated Impedance: 8 O
- Program Power: 2400 W AES
- Power handling capacity: 1200 W AES
- Sensitivity: 98 dB
- Frequency Range: 30 Hz ÷ 1000 Hz
- Effective Piston Diameter: 15.6" (395 mm)
- Max Excursion Before Damage (peak to peak): 2.1" (52 mm)
- Minimum Impedance: 6.3 O
- Voice Coil Diameter: 4" (100 mm)
- Voice Coil Material: Copper
- Voice Coil Winding Depth: 1" (25 mm)
- Number of layers: 2
- Kind of layer: inside / outside
- Top Plate Thickness: 0.6" (15 mm)
- Cone Material: No pressed pulp
- Cone Design: Straight
- Surround Material: Polycotton
- Surround Design: Triple roll
- Thiele/Small Parameters:
- DC resistance: 5.1O
- Mechanical factor: 6.5
- Electrical factor: 0.27
- Total factor: 0.26
- BL Factor: 27.8 T · m
- Effective Moving Mass: 201 g
- Equivalent Cas air load: 257 liters
- Effective piston area: 0.122 m²
- Max. linear excursion (mathematical): 8.8 mm
- Voice - coil inductance @ 1kHz: 2.5 mH
- Half-space efficiency: 3.01%
- Mounting information:
- Overall Diameter: 18.3" (465 mm)
- Bolt Circle Diameter: 17.4-17.6" (442-447 mm)
- Bolt Hole Diameter: 0.3" (6.5 mm)
- Front Mount Baffle Cut-out: 16.7" (424 mm)
- Rear Mount Baffle Cut-out: 16.7" (424 mm)
- Depth: 8.1" (205 mm)
- Volume occupied by the driver: 0.19 ft³ (5.5 liters)
- Net Weight: 20.2 lbs (9.1 kg)
- Shipping weight: 21.8 lbs (9.8 kg)
Note
NOTE: Though two are shown above, only ONE woofer comes with purchase.
