P.Audio 18NT-100XB
FT
NT
Low frequency
18″ / 457 mm
Nominal diameter
40 Hz
Resonance
0.41
Q factor
95 dB
Sensitivity
± 7 mm
Linear excursion
2000 W
Program Power
![P.Audio 18NT-100XB Low frequency](/P.Audio/18NT-100XB/P.Audio_18NT-100XB_(Photo_1).jpg)
![P.Audio 18NT-100XB Low frequency](/P.Audio/18NT-100XB/P.Audio_18NT-100XB_(Photo_2).jpg)
![P.Audio 18NT-100XB Low frequency](/P.Audio/18NT-100XB/P.Audio_18NT-100XB_(Photo_3).jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.4
- dB
- Frequency response
- 35 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 40.0
- Hz
- Mechanical quality factor
- QMS
- 10.51
- Electrical quality factor
- QES
- 0.43
- Total quality factor
- QTS
- 0.41
- Maximum linear excursion
- xmax
- 7.0
- mm
- Air volume displaced at xmax
- VD
- 858
- cm³
- Power handling
- P
- 1000
- W
- Program power
- Pmax
- 2000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.1
- Ω
- Inductance (1kHz)
- LE
- 0.87
- mH
- VC Diameter
- 99
- mm
- Winding height
- HVC
- 25
- mm
- Winding material
- Copper
- Former material
- Glass fiber
- Flux density
- B
- 1.3
- T
- Force factor
- Bl
- 24.55
- N/A
- Motor constant
- Bl/√RE
- 10.9
- N/√W
- Air gap height
- HAG
- 11
- mm
- Material
- Neodymium
- Effective diameter
- 396
- mm
- Effective area
- SD
- 1225
- cm²
- Moving mass
- MMS
- 205.4
- g
- Moving mass (without air load)
- MMD
- 175.4
- g
- Material
- Waterproof Paper
- Stiffness
- KMS
- 12.5
- N/mm
- Compliance
- CMS
- 80
- µm/N
- Equivalent volume to the compliance
- VAS
- 171
- L
- Mechanical resistance
- RMS
- 4.91
- N·s/m
- Surround material
- Cloth
- Spider material
- Double Silicone
- Nominal diameter
- 18
- ″
- 457
- mm
- Overall diameter
- 466
- mm
- Baffle cutout diameter
- 426
- mm
- Overall depth
- 258
- mm
- Flange thickness
- 23
- mm
- Mounting depth
- 235
- mm
- Volume occupied by the driver (estimated)
- 6.8
- L
- Net weight
- 9.5
- kg
- Frame material
- Aluminium
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![P.Audio 18NT-100XB SPL & Impedance](/P.Audio/18NT-100XB/P.Audio_18NT-100XB_(Frequency_response_+_Impedance).png)
![P.Audio 18NT-100XB Dimensions](/P.Audio/18NT-100XB/P.Audio_18NT-100XB_(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)