RCF LF18N405
Subwoofer
18″ / 457 mm
Nominal diameter
30 Hz
Resonance
0.32
Q factor
94 dB
Sensitivity
± 14 mm
Linear excursion
3000 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 93.7
- dB
- Frequency response
- 30 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 30.0
- Hz
- Mechanical quality factor
- QMS
- 7.00
- Electrical quality factor
- QES
- 0.34
- Total quality factor
- QTS
- 0.32
- Maximum linear excursion
- xmax
- 14.0
- mm
- Maximum excursion before damage
- xlim
- 29.0
- mm
- Air volume displaced at xmax
- VD
- 1680
- cm³
- Power handling
- P
- 1500
- W
- Program power
- Pmax
- 3000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 4.9
- Ω
- Inductance (1kHz)
- LE
- 1.7
- mH
- VC Diameter
- 102
- mm
- Winding height
- HVC
- 36
- mm
- Winding material
- Copper
- Force factor
- Bl
- 26.5
- N/A
- Motor constant
- Bl/√RE
- 12.0
- N/√W
- Air gap height
- HAG
- 15
- mm
- Effective diameter
- 395
- mm
- Effective area
- SD
- 1200
- cm²
- Moving mass
- MMS
- 261
- g
- Moving mass (without air load)
- MMD
- 231.7
- g
- Stiffness
- KMS
- 9.17
- N/mm
- Compliance
- CMS
- 109
- µm/N
- Equivalent volume to the compliance
- VAS
- 227
- L
- Mechanical resistance
- RMS
- 7.03
- N·s/m
- Nominal diameter
- 18
- ″
- 457
- mm
- Overall diameter
- 465
- mm
- Baffle cutout diameter
- 425
- mm
- Overall depth
- 208
- mm
- Volume occupied by the driver
- 5.5
- L
- Net weight
- 8.8
- 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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