P.Audio 18FT-100SW
FT
NTLow frequency
18″ / 457 mm
Nominal diameter
38 Hz
Resonance
0.47
Q factor
95 dB
Sensitivity
± 7.5 mm
Linear excursion
2400 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.5
- dB
- Frequency response
- 35 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 38.0
- Hz
- Mechanical quality factor
- QMS
- 9.73
- Electrical quality factor
- QES
- 0.50
- Total quality factor
- QTS
- 0.47
- Maximum linear excursion
- xmax
- 7.5
- mm
- Air volume displaced at xmax
- VD
- 919
- cm³
- Power handling
- P
- 1200
- W
- Program power
- Pmax
- 2400
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.6
- Ω
- Inductance (1kHz)
- LE
- 1.28
- mH
- VC Diameter
- 99
- mm
- Winding height
- HVC
- 29
- mm
- Winding material
- Copper
- Former material
- Glass fiber
- Flux density
- B
- 1.1
- T
- Force factor
- Bl
- 23.11
- N/A
- Motor constant
- Bl/√RE
- 9.77
- N/√W
- Air gap height
- HAG
- 14
- mm
- Material
- Ferrite
- Effective diameter
- 396
- mm
- Effective area
- SD
- 1225
- cm²
- Moving mass
- MMS
- 198.7
- g
- Moving mass (without air load)
- MMD
- 168.7
- g
- Material
- Waterproof Paper
- Stiffness
- KMS
- 11.49
- N/mm
- Compliance
- CMS
- 87
- µm/N
- Equivalent volume to the compliance
- VAS
- 186
- L
- Mechanical resistance
- RMS
- 4.88
- N·s/m
- Surround material
- Cloth
- Spider material
- Cotton (Double silicone)
- Nominal diameter
- 18
- ″
- 457
- mm
- Overall diameter
- 466
- mm
- Baffle cutout diameter
- 426
- mm
- Overall depth
- 251
- mm
- Flange thickness
- 23
- mm
- Mounting depth
- 228
- mm
- Volume occupied by the driver (estimated)
- 8.6
- L
- Net weight
- 14.3
- kg
- Frame material
- Aluminium