P.Audio 18FT-100SW
FT
NTLow frequency
| Nominal diameter | 18″ / 457 mm |
| Resonance | 38 Hz |
| Q factor | 0.47 |
| Sensitivity | 94.5 dB |
| Linear excursion | ± 7.5 mm |
| Program Power | 2400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 94.5dB
- Frequency response 35 - 1000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 38Hz
- Mechanical quality factor QMS 9.73
- Electrical quality factor QES 0.50
- Total quality factor QTS 0.47
Large signal parameters
- Maximum linear excursion xmax 7.5mm
- Air volume displaced at xmax VD 919cm³
- Power handling P 1200W
- Program power Pmax 2400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.6Ω
- Inductance (1kHz) LE 1.28mH
- VC Diameter 99.3mm
- Winding height HVC 29mm
- Winding material Copper
- Former material Glass fiber
Magnet
- Flux density B 1.1T
- Force factor Bl 23.1N/A
- Motor constant Bl/√RE 9.77N/√W
- Air gap height HAG 14mm
- Material Ferrite
Diaphragm
- Effective diameter 396mm
- Effective area SD 1225cm²
- Moving mass MMS 199g
- Moving mass (without air load) MMD 169g
- Material Waterproof Paper
Suspensions
- Stiffness KMS 11.5N/mm
- Compliance CMS 87µm/N
- Equivalent volume to the compliance VAS 186L
- Mechanical resistance RMS 4.88N·s/m
- Surround material Cloth
- Spider material Cotton (Double silicone)
Dimensions
- Nominal diameter 18″
- 457mm
- Overall diameter 466mm
- Baffle cutout diameter 426mm
- Overall depth 251mm
- Flange thickness 23mm
- Mounting depth 228mm
- Volume occupied by the driver (estimated) 8.6L
- Net weight 14.3kg
- Frame material Aluminium
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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