Subwoofer
12″ / 300 mm
Nominal diameter
53 Hz
Resonance
0.33
Q factor
95 dB
Sensitivity
± 8.3 mm
Linear excursion
1800 W
Program Power
![Eighteen Sound 12NTLW3500 8Ω Subwoofer](/18Sound/12NTLW3500_8Ω/18Sound_12NTLW3500_8Ω_(Photo_1).jpg)
![Eighteen Sound 12NTLW3500 8Ω Subwoofer](/18Sound/12NTLW3500_8Ω/18Sound_12NTLW3500_8Ω_(Photo_2).jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.5
- dB
- Frequency response
- 50 - 3000
- Hz
- Resonance frequency (free air)
- fS
- 53.0
- Hz
- Mechanical quality factor
- QMS
- 8.00
- Electrical quality factor
- QES
- 0.35
- Total quality factor
- QTS
- 0.33
- Maximum linear excursion
- xmax
- 8.3
- mm
- Air volume displaced at xmax
- VD
- 441
- cm³
- Power handling
- P
- 900
- W
- Program power
- Pmax
- 1800
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.1
- Ω
- Inductance (1kHz)
- LE
- 0.46
- mH
- VC Diameter
- 88
- mm
- Force factor
- Bl
- 19.5
- N/A
- Motor constant
- Bl/√RE
- 8.63
- N/√W
- Material
- Neodymium
- Effective diameter
- 260
- mm
- Effective area
- SD
- 531
- cm²
- Moving mass
- MMS
- 80
- g
- Moving mass (without air load)
- MMD
- 71.4
- g
- Stiffness
- KMS
- 8.85
- N/mm
- Compliance
- CMS
- 113
- µm/N
- Equivalent volume to the compliance
- VAS
- 45
- L
- Mechanical resistance
- RMS
- 3.33
- N·s/m
- Nominal diameter
- 12
- ″
- 300
- mm
- Overall diameter
- 310
- mm
- Baffle cutout diameter
- 282
- mm
- Overall depth
- 193
- mm
- Flange thickness
- 13
- mm
- Mounting depth
- 180
- mm
- Volume occupied by the driver (estimated)
- 2.7
- L
- Net weight
- 4.7
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Eighteen Sound 12NTLW3500 8Ω Impedance](/18Sound/12NTLW3500_8Ω/18Sound_12NTLW3500_8Ω_(Impedance).png)
![Eighteen Sound 12NTLW3500 8Ω SPL](/18Sound/12NTLW3500_8Ω/18Sound_12NTLW3500_8Ω_(Frequency_response).png)
![Eighteen Sound 12NTLW3500 8Ω Dimensions](/18Sound/12NTLW3500_8Ω/18Sound_12NTLW3500_8Ω_(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)