Celestion FTR18-4080FD
Low frequency
18″ / 457 mm
Nominal diameter
25 Hz
Resonance
0.29
Q factor
94 dB
Sensitivity
± 8.5 mm
Linear excursion
2000 W
Program Power
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- Parts Express
- $$$
- Amazon.com
- $$$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.4
- dB
- Frequency response
- 30 - 2500
- Hz
- Resonance frequency (free air)
- fS
- 25.2
- Hz
- Mechanical quality factor
- QMS
- 4.75
- Electrical quality factor
- QES
- 0.30
- Total quality factor
- QTS
- 0.29
- Maximum linear excursion
- xmax
- 8.5
- mm
- Air volume displaced at xmax
- VD
- 964
- cm³
- Power handling
- P
- 1000
- W
- Program power
- Pmax
- 2000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.6
- Ω
- Inductance (1kHz)
- LE
- 1.5
- mH
- VC Diameter
- 100
- mm
- Winding height
- HVC
- 22
- mm
- Winding material
- Round copper
- Former material
- Glass fibre
- Force factor
- Bl
- 22.81
- N/A
- Motor constant
- Bl/√RE
- 9.62
- N/√W
- Air gap height
- HAG
- 10
- mm
- Weight
- 3.1
- kg
- Material
- Ferrite
- Effective diameter
- 380
- mm
- Effective area
- SD
- 1134
- cm²
- Moving mass
- MMS
- 177.8
- g
- Moving mass (without air load)
- MMD
- 150.9
- g
- Material
- Glass loaded paper (weather-resistant)
- Stiffness
- KMS
- 4.35
- N/mm
- Compliance
- CMS
- 230
- µm/N
- Equivalent volume to the compliance
- VAS
- 409
- L
- Mechanical resistance
- RMS
- 5.92
- N·s/m
- Surround material
- Cloth-sealed
- Nominal diameter
- 18
- ″
- 457
- mm
- Overall diameter
- 452
- mm
- Baffle cutout diameter
- 416
- mm
- Overall depth
- 205
- mm
- Volume occupied by the driver (estimated)
- 5.8
- L
- Net weight
- 9.8
- kg
- Frame material
- Cast aluminium
Available on (affiliate links)
Specifications
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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