Eighteen Sound 18NLW9400
4Ω
8ΩSubwoofer
18″ / 462 mm
Nominal diameter
32 Hz
Resonance
0.22
Q factor
97 dB
Sensitivity
± 9.5 mm
Linear excursion
2400 W
Program Power
.png)
- Amazon.com
- $$$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 96.9
- dB
- Frequency response
- 30 - 2500
- Hz
- Resonance frequency (free air)
- fS
- 32.0
- Hz
- Mechanical quality factor
- QMS
- 6.10
- Electrical quality factor
- QES
- 0.23
- Total quality factor
- QTS
- 0.22
- Maximum linear excursion
- xmax
- 9.5
- mm
- Air volume displaced at xmax
- VD
- 1164
- cm³
- Power handling
- P
- 1200
- W
- Program power
- Pmax
- 2400
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 2.6
- Ω
- Inductance (1kHz)
- LE
- 1.25
- mH
- VC Diameter
- 100
- mm
- Winding material
- Copper
- Force factor
- Bl
- 20.5
- N/A
- Motor constant
- Bl/√RE
- 12.7
- N/√W
- Material
- Neodymium
- Effective diameter
- 395
- mm
- Effective area
- SD
- 1225
- cm²
- Moving mass
- MMS
- 185
- g
- Moving mass (without air load)
- MMD
- 155.3
- g
- Material
- Weather protected
- Stiffness
- KMS
- 7.46
- N/mm
- Compliance
- CMS
- 134
- µm/N
- Equivalent volume to the compliance
- VAS
- 278
- L
- Mechanical resistance
- RMS
- 6.1
- N·s/m
- Nominal diameter
- 18
- ″
- 462
- mm
- Overall diameter
- 462
- mm
- Baffle cutout diameter
- 416
- mm
- Overall depth
- 223
- mm
- Flange thickness
- 21
- mm
- Mounting depth
- 202
- mm
- Volume occupied by the driver (estimated)
- 5.8
- L
- Net weight
- 8.7
- kg
Available on (affiliate link)
Specifications
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
.png)
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Speakerbench.jpg.webp)
.png.webp)
.png.webp)