Eighteen Sound 15NTLS3500
Subwoofer
15″ / 393 mm
Nominal diameter
28 Hz
Resonance
0.42
Q factor
90 dB
Sensitivity
± 15.3 mm
Linear excursion
1900 W
Program Power
![Eighteen Sound 15NTLS3500 Subwoofer](/18Sound/15NTLS3500/18Sound_15NTLS3500_(Photo_1).png)
![Eighteen Sound 15NTLS3500 Subwoofer](/18Sound/15NTLS3500/18Sound_15NTLS3500_(Photo_2).png)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 89.7
- dB
- Frequency response
- 30 - 2000
- Hz
- Resonance frequency (free air)
- fS
- 28.0
- Hz
- Mechanical quality factor
- QMS
- 8.20
- Electrical quality factor
- QES
- 0.44
- Total quality factor
- QTS
- 0.42
- Maximum linear excursion
- xmax
- 15.3
- mm
- Air volume displaced at xmax
- VD
- 1348
- cm³
- Power handling
- P
- 950
- W
- Program power
- Pmax
- 1900
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.2
- Ω
- Inductance (1kHz)
- LE
- 1.65
- mH
- VC Diameter
- 88
- mm
- Winding height
- HVC
- 36
- mm
- Winding material
- Copper
- Force factor
- Bl
- 21.6
- N/A
- Motor constant
- Bl/√RE
- 9.47
- N/√W
- Air gap height
- HAG
- 11
- mm
- Material
- Neodymium
- Effective diameter
- 335
- mm
- Effective area
- SD
- 881
- cm²
- Moving mass
- MMS
- 250
- g
- Moving mass (without air load)
- MMD
- 231.8
- g
- Material
- Weather protected
- Stiffness
- KMS
- 6.94
- N/mm
- Compliance
- CMS
- 144
- µm/N
- Equivalent volume to the compliance
- VAS
- 141
- L
- Mechanical resistance
- RMS
- 5.36
- N·s/m
- Surround material
- Rubber
- Nominal diameter
- 15
- ″
- 393
- mm
- Overall diameter
- 393
- mm
- Baffle cutout diameter
- 357
- mm
- Overall depth
- 261
- mm
- Flange thickness
- 17
- mm
- Mounting depth
- 244
- mm
- Volume occupied by the driver (estimated)
- 5.6
- L
- Net weight
- 8.3
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Eighteen Sound 15NTLS3500 Impedance](/18Sound/15NTLS3500/18Sound_15NTLS3500_(Impedance).png)
![Eighteen Sound 15NTLS3500 SPL](/18Sound/15NTLS3500/18Sound_15NTLS3500_(Frequency_response).png)
![Eighteen Sound 15NTLS3500 Dimensions](/18Sound/15NTLS3500/18Sound_15NTLS3500_(Dimensions).png)
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)