Fountek FW100B
Mid Bass
4″ / 100 mm
Nominal diameter
77 Hz
Resonance
0.63
Q factor
83 dB
Sensitivity
± 4 mm
Linear excursion
70 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 83.2
- dB
- Frequency response
- 77 - 4500
- Hz
- Resonance frequency (free air)
- fS
- 77.0
- Hz
- Mechanical quality factor
- QMS
- 3.09
- Electrical quality factor
- QES
- 0.79
- Total quality factor
- QTS
- 0.63
- Maximum linear excursion
- xmax
- 4.0
- mm
- Air volume displaced at xmax
- VD
- 22
- cm³
- Power handling
- P
- 35
- W
- Program power
- Pmax
- 70
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.2
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.3
- mH
- VC Diameter
- 26
- mm
- Winding height
- HVC
- 14
- mm
- Winding material
- Copper
- Former material
- Aluminum
- Flux density
- B
- 1.0
- T
- Force factor
- Bl
- 5.59
- N/A
- Motor constant
- Bl/√RE
- 2.24
- N/√W
- Air gap height
- HAG
- 14
- mm
- Material
- Ferrite
- Effective diameter
- 84
- mm
- Effective area
- SD
- 55
- cm²
- Moving mass
- MMS
- 8
- g
- Moving mass (without air load)
- MMD
- 7.7
- g
- Stiffness
- KMS
- 2.05
- N/mm
- Compliance
- CMS
- 487
- µm/N
- Equivalent volume to the compliance
- VAS
- 2.12
- L
- Mechanical resistance
- RMS
- 1.26
- N·s/m
- Nominal diameter
- 4
- ″
- 100
- mm
- Overall diameter
- 105
- mm
- Overall depth
- 60
- mm
- Volume occupied by the driver (estimated)
- 0.22
- L
- Net weight
- 0.9
- kg
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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