VISATON FR 87 - 4 Ohm
Full-range
3.4″ / 87 mm
Nominal diameter
137 Hz
Resonance
1.25
Q factor
88 dB
Sensitivity
± 0.6 mm
Linear excursion
20 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.7
- dB
- Frequency response
- 100 - 20000
- Hz
- Resonance frequency (free air)
- fS
- 137
- Hz
- Mechanical quality factor
- QMS
- 6.40
- Electrical quality factor
- QES
- 1.56
- Total quality factor
- QTS
- 1.25
- Maximum linear excursion
- xmax
- 0.6
- mm
- Maximum excursion before damage
- xlim
- 2.0
- mm
- Air volume displaced at xmax
- VD
- 2.2
- cm³
- Power handling
- P
- 15
- W
- Program power
- Pmax
- 20
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.5
- Ω
- Inductance (1kHz)
- LE
- 0.2
- mH
- VC Diameter
- 15
- mm
- Winding height
- HVC
- 4.3
- mm
- Force factor
- Bl
- 2.1
- N/A
- Motor constant
- Bl/√RE
- 1.12
- N/√W
- Air gap height
- HAG
- 3
- mm
- Effective diameter
- 69
- mm
- Effective area
- SD
- 37
- cm²
- Moving mass
- MMS
- 2
- g
- Moving mass (without air load)
- MMD
- 1.8
- g
- Stiffness
- KMS
- 1.49
- N/mm
- Compliance
- CMS
- 670
- µm/N
- Equivalent volume to the compliance
- VAS
- 1.3
- L
- Mechanical resistance
- RMS
- 0.27
- N·s/m
- Nominal diameter
- 3.4
- ″
- 87
- mm
- Baffle cutout diameter
- 80
- mm
- Net weight
- 0.21
- 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!
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QSpeakers
SpeakerSim
MfbLabs
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