Eighteen Sound 15NLW9401
4Ω
8ΩSubwoofer
15″ / 380 mm
Nominal diameter
40 Hz
Resonance
0.25
Q factor
95 dB
Sensitivity
± 10 mm
Linear excursion
2400 W
Program Power
![Eighteen Sound 15NLW9401 Subwoofer](/18Sound/15NLW9401/18Sound_15NLW9401_(Photo_1).png)
![Eighteen Sound 15NLW9401 Subwoofer](/18Sound/15NLW9401/18Sound_15NLW9401_(Photo_2).png)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.3
- dB
- Frequency response
- 37 - 2300
- Hz
- Resonance frequency (free air)
- fS
- 40.0
- Hz
- Mechanical quality factor
- QMS
- 6.14
- Electrical quality factor
- QES
- 0.26
- Total quality factor
- QTS
- 0.25
- Maximum linear excursion
- xmax
- 10.0
- mm
- Air volume displaced at xmax
- VD
- 850
- cm³
- Power handling
- P
- 1200
- W
- Program power
- Pmax
- 2400
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 2.8
- Ω
- Inductance (1kHz)
- LE
- 1.23
- mH
- VC Diameter
- 100
- mm
- Winding material
- Copper
- Force factor
- Bl
- 20.0
- N/A
- Motor constant
- Bl/√RE
- 12.0
- N/√W
- Material
- Neodymium
- Effective diameter
- 329
- mm
- Effective area
- SD
- 850
- cm²
- Moving mass
- MMS
- 150
- g
- Moving mass (without air load)
- MMD
- 132.5
- g
- Material
- Weather protected
- Stiffness
- KMS
- 9.43
- N/mm
- Compliance
- CMS
- 106
- µm/N
- Equivalent volume to the compliance
- VAS
- 114
- L
- Mechanical resistance
- RMS
- 6.14
- N·s/m
- Spider material
- Double Silicon
- Nominal diameter
- 15
- ″
- 380
- mm
- Overall diameter
- 393
- mm
- Baffle cutout diameter
- 354
- mm
- Overall depth
- 180
- mm
- Flange thickness
- 12
- mm
- Mounting depth
- 168
- mm
- Volume occupied by the driver (estimated)
- 4.1
- L
- Net weight
- 7.5
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Eighteen Sound 15NLW9401 Impedance](/18Sound/15NLW9401/18Sound_15NLW9401_(Impedance).png)
![Eighteen Sound 15NLW9401 SPL](/18Sound/15NLW9401/18Sound_15NLW9401_(Frequency_response).png)
![Eighteen Sound 15NLW9401 Dimensions](/18Sound/15NLW9401/18Sound_15NLW9401_(Dimensions).jpg)
Export this driver to a simulation software:
![WinISD](/images/export/WinISD.png)
![Basta!](/images/export/Basta.png)
![Hornresp](/images/export/Hornresp.png)
![QSpeakers](/images/export/QSpeakers.png)
![SpeakerSim](/images/export/SpeakerSim.png)
![MfbLabs](/images/export/MfbLabs.png)
![Speakerbench](/images/export/Speakerbench.png)