Eighteen Sound 18NTLW5000 8Ω
4Ω
8Ω
Subwoofer
18″ / 462 mm
Nominal diameter
32 Hz
Resonance
0.32
Q factor
93 dB
Sensitivity
± 17.5 mm
Linear excursion
4000 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 93.4
- dB
- Frequency response
- 30 - 1800
- Hz
- Resonance frequency (free air)
- fS
- 32.0
- Hz
- Mechanical quality factor
- QMS
- 8.52
- Electrical quality factor
- QES
- 0.33
- Total quality factor
- QTS
- 0.32
- Maximum linear excursion
- xmax
- 17.5
- mm
- Air volume displaced at xmax
- VD
- 2023
- cm³
- Power handling
- P
- 1800
- W
- Program power
- Pmax
- 4000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.5
- Ω
- Inductance (1kHz)
- LE
- 1.85
- mH
- VC Diameter
- 115
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 31.3
- N/A
- Motor constant
- Bl/√RE
- 13.3
- N/√W
- Material
- Neodymium
- Effective diameter
- 384
- mm
- Effective area
- SD
- 1156
- cm²
- Moving mass
- MMS
- 295
- g
- Moving mass (without air load)
- MMD
- 267
- g
- Material
- Water,UV repellent
- Stiffness
- KMS
- 11.91
- N/mm
- Compliance
- CMS
- 84
- µm/N
- Equivalent volume to the compliance
- VAS
- 176
- L
- Mechanical resistance
- RMS
- 6.96
- N·s/m
- Nominal diameter
- 18
- ″
- 462
- mm
- Overall diameter
- 462
- mm
- Baffle cutout diameter
- 416
- mm
- Overall depth
- 310
- mm
- Flange thickness
- 26
- mm
- Mounting depth
- 284
- mm
- Volume occupied by the driver (estimated)
- 8.8
- L
- Net weight
- 12.0
- 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
Speakerbench.jpg.webp)
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