RCF LF18X400
Woofer
18″ / 457 mm
Nominal diameter
28 Hz
Resonance
0.27
Q factor
96 dB
Sensitivity
± 9 mm
Linear excursion
2000 W
Program Power
Discontinued
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.6
- dB
- Frequency response
- 25 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 28.0
- Hz
- Mechanical quality factor
- QMS
- 6.50
- Electrical quality factor
- QES
- 0.29
- Total quality factor
- QTS
- 0.27
- Maximum linear excursion
- xmax
- 9.0
- mm
- Maximum excursion before damage
- xlim
- 25.0
- mm
- Air volume displaced at xmax
- VD
- 1080
- cm³
- Power handling
- P
- 1000
- W
- Program power
- Pmax
- 2000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.1
- Ω
- Inductance (1kHz)
- LE
- 1.2
- mH
- VC Diameter
- 102
- mm
- Winding height
- HVC
- 25
- mm
- Winding material
- Copper
- Force factor
- Bl
- 25.0
- N/A
- Motor constant
- Bl/√RE
- 11.1
- N/√W
- Material
- Ceramic
- Effective diameter
- 395
- mm
- Effective area
- SD
- 1200
- cm²
- Moving mass
- MMS
- 192
- g
- Moving mass (without air load)
- MMD
- 162.7
- g
- Stiffness
- KMS
- 6.02
- N/mm
- Compliance
- CMS
- 166
- µm/N
- Equivalent volume to the compliance
- VAS
- 340
- L
- Mechanical resistance
- RMS
- 5.2
- N·s/m
- Surround material
- Polycotton
- Nominal diameter
- 18
- ″
- 457
- mm
- Overall diameter
- 465
- mm
- Baffle cutout diameter
- 424
- mm
- Overall depth
- 228
- mm
- Flange thickness
- 14
- mm
- Mounting depth
- 214
- mm
- Volume occupied by the driver
- 7.0
- L
- Net weight
- 13.3
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
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