Wavecor WF120BD11
4Ω
8ΩMid Bass
4.75″ / 120 mm
Nominal diameter
57 Hz
Resonance
0.38
Q factor
84 dB
Sensitivity
± 3 mm
Linear excursion
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 84.3
- dB
- Frequency response
- 56 - 4000
- Hz
- Resonance frequency (free air)
- fS
- 56.5
- Hz
- Mechanical quality factor
- QMS
- 9.40
- Electrical quality factor
- QES
- 0.40
- Total quality factor
- QTS
- 0.38
- Maximum linear excursion
- xmax
- 3.0
- mm
- Air volume displaced at xmax
- VD
- 14
- cm³
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.0
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.13
- mH
- VC Diameter
- 25
- mm
- Winding height
- HVC
- 10
- mm
- Former material
- Black fiber glass
- Force factor
- Bl
- 4.2
- N/A
- Motor constant
- Bl/√RE
- 2.42
- N/√W
- Air gap height
- HAG
- 4
- mm
- Diameter
- 90
- mm
- Weight
- 0.44
- kg
- Effective diameter
- 78
- mm
- Effective area
- SD
- 48
- cm²
- Moving mass
- MMS
- 6.6
- g
- Moving mass (without air load)
- MMD
- 6.3
- g
- Material
- Kevlar/Carbon fiber
- Stiffness
- KMS
- 0.83
- N/mm
- Compliance
- CMS
- 1200
- µm/N
- Equivalent volume to the compliance
- VAS
- 3.9
- L
- Mechanical resistance
- RMS
- 0.25
- N·s/m
- Nominal diameter
- 4.75
- ″
- 120
- mm
- Overall diameter
- 120
- mm
- Baffle cutout diameter
- 98
- mm
- Mounting depth
- 64
- mm
- Volume occupied by the driver (estimated)
- 0.44
- L
- Net weight
- 1.1
- kg
- Frame material
- Die cast aluminum
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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