Eighteen Sound 18NLW9601
4Ω
8ΩSubwoofer
18″ / 462 mm
Nominal diameter
38 Hz
Resonance
0.28
Q factor
96 dB
Sensitivity
± 14 mm
Linear excursion
3600 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 96.3
- dB
- Frequency response
- 30 - 2300
- Hz
- Resonance frequency (free air)
- fS
- 38.0
- Hz
- Mechanical quality factor
- QMS
- 6.00
- Electrical quality factor
- QES
- 0.29
- Total quality factor
- QTS
- 0.28
- Maximum linear excursion
- xmax
- 14.0
- mm
- Air volume displaced at xmax
- VD
- 1813
- cm³
- Power handling
- P
- 1800
- W
- Program power
- Pmax
- 3600
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 2.7
- Ω
- Inductance (1kHz)
- LE
- 1.53
- mH
- VC Diameter
- 135
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 25.0
- N/A
- Motor constant
- Bl/√RE
- 15.2
- N/√W
- Material
- Neodymium
- Effective diameter
- 406
- mm
- Effective area
- SD
- 1295
- cm²
- Moving mass
- MMS
- 255
- g
- Moving mass (without air load)
- MMD
- 223.5
- g
- Stiffness
- KMS
- 14.49
- N/mm
- Compliance
- CMS
- 69
- µm/N
- Equivalent volume to the compliance
- VAS
- 111
- L
- Mechanical resistance
- RMS
- 10.15
- N·s/m
- Nominal diameter
- 18
- ″
- 462
- mm
- Overall diameter
- 462
- mm
- Baffle cutout diameter
- 416
- mm
- Overall depth
- 236
- mm
- Flange thickness
- 26
- mm
- Mounting depth
- 210
- mm
- Volume occupied by the driver (estimated)
- 7.7
- L
- Net weight
- 12.8
- 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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