RCF LF18N451
Subwoofer
18″ / 457 mm
Nominal diameter
31 Hz
Resonance
0.24
Q factor
95 dB
Sensitivity
± 9 mm
Linear excursion
3000 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.4
- dB
- Frequency response
- 30 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 31.0
- Hz
- Mechanical quality factor
- QMS
- 6.00
- Electrical quality factor
- QES
- 0.25
- Total quality factor
- QTS
- 0.24
- Maximum linear excursion
- xmax
- 9.0
- mm
- Maximum excursion before damage
- xlim
- 30.0
- mm
- Air volume displaced at xmax
- VD
- 1080
- cm³
- Power handling
- P
- 1500
- W
- Program power
- Pmax
- 3000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.0
- Ω
- Inductance (1kHz)
- LE
- 2.6
- mH
- VC Diameter
- 114
- mm
- Winding height
- HVC
- 26
- mm
- Winding material
- Copper
- Force factor
- Bl
- 30.2
- N/A
- Motor constant
- Bl/√RE
- 13.5
- N/√W
- Air gap height
- HAG
- 15
- mm
- Effective diameter
- 395
- mm
- Effective area
- SD
- 1200
- cm²
- Moving mass
- MMS
- 235
- g
- Moving mass (without air load)
- MMD
- 205.7
- g
- Stiffness
- KMS
- 8.85
- N/mm
- Compliance
- CMS
- 113
- µm/N
- Equivalent volume to the compliance
- VAS
- 245
- L
- Mechanical resistance
- RMS
- 7.63
- N·s/m
- Spider material
- with silicon damping
- Nominal diameter
- 18
- ″
- 457
- mm
- Overall diameter
- 465
- mm
- Baffle cutout diameter
- 425
- mm
- Overall depth
- 223
- mm
- Volume occupied by the driver
- 5.5
- L
- Net weight
- 10.5
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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