Fountek FW222
Mid Bass
8″ / 222 mm
Nominal diameter
35 Hz
Resonance
0.49
Q factor
87 dB
Sensitivity
± 7 mm
Linear excursion
150 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.8
- dB
- Frequency response
- 50 - 3000
- Hz
- Resonance frequency (free air)
- fS
- 34.6
- Hz
- Mechanical quality factor
- QMS
- 2.61
- Electrical quality factor
- QES
- 0.61
- Total quality factor
- QTS
- 0.49
- Maximum linear excursion
- xmax
- 7.0
- mm
- Air volume displaced at xmax
- VD
- 153
- cm³
- Power handling
- P
- 75
- W
- Program power
- Pmax
- 150
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.8
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.75
- mH
- VC Diameter
- 50
- mm
- Winding height
- HVC
- 20
- mm
- Winding material
- Copper
- Former material
- Aluminum
- Flux density
- B
- 1.0
- T
- Force factor
- Bl
- 8.7
- N/A
- Motor constant
- Bl/√RE
- 3.34
- N/√W
- Air gap height
- HAG
- 6
- mm
- Material
- Ferrite
- Effective diameter
- 167
- mm
- Effective area
- SD
- 219
- cm²
- Moving mass
- MMS
- 30.2
- g
- Moving mass (without air load)
- MMD
- 27.7
- g
- Stiffness
- KMS
- 1.43
- N/mm
- Compliance
- CMS
- 700
- µm/N
- Equivalent volume to the compliance
- VAS
- 47.7
- L
- Mechanical resistance
- RMS
- 2.52
- N·s/m
- Nominal diameter
- 8
- ″
- 222
- mm
- Overall diameter
- 224
- mm
- Overall depth
- 95
- mm
- Volume occupied by the driver (estimated)
- 0.89
- L
- Net weight
- 2.3
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
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