P.Audio 18NT-100XB
FT
NT
Low frequency
| Nominal diameter | 18″ / 457 mm |
| Resonance | 35 Hz |
| Q factor | 0.41 |
| Sensitivity | 95.4 dB |
| Linear excursion | ± 7 mm |
| Program Power | 2400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.4dB
- Frequency response 35 - 1000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 35Hz
- Mechanical quality factor QMS 10.51
- Electrical quality factor QES 0.43
- Total quality factor QTS 0.41
Large signal parameters
- Maximum linear excursion xmax 7mm
- Air volume displaced at xmax VD 858cm³
- Power handling P 1200W
- Program power Pmax 2400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.1Ω
- Inductance (1kHz) LE 0.87mH
- VC Diameter 99.3mm
- Winding height HVC 25mm
- Winding material Round Copper Wire
- Former material Glass Fiber
Magnet
- Flux density B 1.3T
- Force factor Bl 24.6N/A
- Motor constant Bl/√RE 10.9N/√W
- Air gap height HAG 11mm
- Material Neodymium
Diaphragm
- Effective diameter 396mm
- Effective area SD 1225cm²
- Moving mass MMS 205g
- Moving mass (without air load) MMD 175g
- Material Waterproof Paper
Suspensions
- Stiffness KMS 12.5N/mm
- Compliance CMS 80µm/N
- Equivalent volume to the compliance VAS 171L
- Mechanical resistance RMS 4.91N·s/m
- Surround material Cloth
- Spider material Double Silicone
Dimensions
- Nominal diameter 18″
- 457mm
- Overall diameter 467mm
- Baffle cutout diameter 426mm
- Overall depth 258mm
- Flange thickness 23mm
- Mounting depth 222mm
- Volume occupied by the driver (estimated) 6.8L
- Net weight 9.5kg
- Frame material Aluminium
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
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Hornresp
QSpeakers
SpeakerSim
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