Eighteen Sound 18NLW4100
4Ω
8ΩSubwoofer
18″ / 462 mm
Nominal diameter
29 Hz
Resonance
0.27
Q factor
94 dB
Sensitivity
± 15 mm
Linear excursion
3000 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.0
- dB
- Frequency response
- 30 - 800
- Hz
- Resonance frequency (free air)
- fS
- 29.0
- Hz
- Mechanical quality factor
- QMS
- 11.90
- Electrical quality factor
- QES
- 0.28
- Total quality factor
- QTS
- 0.27
- Maximum linear excursion
- xmax
- 15.0
- mm
- Air volume displaced at xmax
- VD
- 1838
- cm³
- Power handling
- P
- 1500
- W
- Program power
- Pmax
- 3000
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 2.5
- Ω
- Inductance (1kHz)
- LE
- 1.55
- mH
- VC Diameter
- 100
- mm
- Force factor
- Bl
- 22.8
- N/A
- Motor constant
- Bl/√RE
- 14.4
- N/√W
- Material
- Neodymium
- Effective diameter
- 395
- mm
- Effective area
- SD
- 1225
- cm²
- Moving mass
- MMS
- 314
- g
- Moving mass (without air load)
- MMD
- 284.3
- g
- Material
- Weather protected
- Stiffness
- KMS
- 10.42
- N/mm
- Compliance
- CMS
- 96
- µm/N
- Equivalent volume to the compliance
- VAS
- 207
- L
- Mechanical resistance
- RMS
- 4.81
- N·s/m
- Nominal diameter
- 18
- ″
- 462
- mm
- Overall diameter
- 462
- mm
- Baffle cutout diameter
- 416
- mm
- Overall depth
- 232
- mm
- Flange thickness
- 23
- mm
- Mounting depth
- 209
- mm
- Volume occupied by the driver (estimated)
- 6.5
- L
- Net weight
- 10.0
- 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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