Fountek FR88EX
Full-range
3.5″ / 88 mm
Nominal diameter
95 Hz
Resonance
0.47
Q factor
84 dB
Sensitivity
± 3 mm
Linear excursion
30 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 83.7
- dB
- Frequency response
- 95 - 20000
- Hz
- Resonance frequency (free air)
- fS
- 95.0
- Hz
- Mechanical quality factor
- QMS
- 1.96
- Electrical quality factor
- QES
- 0.62
- Total quality factor
- QTS
- 0.47
- Maximum linear excursion
- xmax
- 3.0
- mm
- Air volume displaced at xmax
- VD
- 8.2
- cm³
- Power handling
- P
- 15
- W
- Program power
- Pmax
- 30
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.0
- Ω
- Inductance (1kHz)
- LE
- 0.05
- mH
- VC Diameter
- 25
- mm
- Winding height
- HVC
- 4
- mm
- Winding material
- Copper
- Former material
- Aluminum
- Flux density
- B
- 0.88
- T
- Force factor
- Bl
- 3.31
- N/A
- Motor constant
- Bl/√RE
- 1.35
- N/√W
- Air gap height
- HAG
- 10
- mm
- Material
- Neodymium
- Effective diameter
- 59
- mm
- Effective area
- SD
- 27
- cm²
- Moving mass
- MMS
- 2.4
- g
- Moving mass (without air load)
- MMD
- 2.2
- g
- Stiffness
- KMS
- 0.84
- N/mm
- Compliance
- CMS
- 1196
- µm/N
- Equivalent volume to the compliance
- VAS
- 1.27
- L
- Mechanical resistance
- RMS
- 0.72
- N·s/m
- Nominal diameter
- 3.5
- ″
- 88
- mm
- Overall diameter
- 88
- mm
- Overall depth
- 52
- mm
- Volume occupied by the driver (estimated)
- 0.11
- L
- Net weight
- 0.35
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
Closed Box Simulator·
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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