Celestion FTX0820
Coaxial
8″ / 200 mm
Nominal diameter
79 Hz
Resonance
0.28
Q factor
95 dB
Sensitivity
± 4 mm
Linear excursion
400 W
Program Power
![Celestion FTX0820 Coaxial](/Celestion/FTX0820/Celestion_FTX0820_(Photo_1).png)
![Celestion FTX0820 Coaxial](/Celestion/FTX0820/Celestion_FTX0820_(Photo_2).png)
- Amazon.com
- $$$
- Parts Express
- $$$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.6
- dB
- Frequency response
- 70 - 20000
- Hz
- Resonance frequency (free air)
- fS
- 78.8
- Hz
- Mechanical quality factor
- QMS
- 2.80
- Electrical quality factor
- QES
- 0.31
- Total quality factor
- QTS
- 0.28
- Maximum linear excursion
- xmax
- 4.0
- mm
- Air volume displaced at xmax
- VD
- 91
- cm³
- Power handling
- P
- 200
- W
- Program power
- Pmax
- 400
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.9
- Ω
- Inductance (1kHz)
- LE
- 0.62
- mH
- VC Diameter
- 50
- mm
- Winding height
- HVC
- 12
- mm
- Winding material
- Edgewound copper
- Former material
- Glass fibre
- Force factor
- Bl
- 14.56
- N/A
- Motor constant
- Bl/√RE
- 6.02
- N/√W
- Air gap height
- HAG
- 8
- mm
- Weight
- 1.5
- kg
- Material
- Ferrite
- Effective diameter
- 170
- mm
- Effective area
- SD
- 227
- cm²
- Moving mass
- MMS
- 22.7
- g
- Moving mass (without air load)
- MMD
- 20
- g
- Material
- Kevlar loaded paper
- Stiffness
- KMS
- 5.56
- N/mm
- Compliance
- CMS
- 180
- µm/N
- Equivalent volume to the compliance
- VAS
- 13.1
- L
- Mechanical resistance
- RMS
- 4.01
- N·s/m
- Surround material
- Cloth-sealed
- Nominal diameter
- 8
- ″
- 200
- mm
- Overall diameter
- 225
- mm
- Baffle cutout diameter
- 187
- mm
- Overall depth
- 123
- mm
- Volume occupied by the driver (estimated)
- 1.5
- L
- Net weight
- 4.1
- kg
- Frame material
- Cast aluminium
Available on (affiliate links)
Specifications
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Celestion FTX0820 SPL & Impedance](/Celestion/FTX0820/Celestion_FTX0820_(Frequency_response_+_Impedance).jpg)
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)