Wavecor FR055WA02
4Ω
8Ω
Mid-range
2″ / 51 mm
Nominal diameter
145 Hz
Resonance
1.07
Q factor
82 dB
Sensitivity
± 1.35 mm
Linear excursion
20 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 81.8
- dB
- Frequency response
- 145 - 20000
- Hz
- Resonance frequency (free air)
- fS
- 145
- Hz
- Mechanical quality factor
- QMS
- 8.80
- Electrical quality factor
- QES
- 1.22
- Total quality factor
- QTS
- 1.07
- Maximum linear excursion
- xmax
- 1.35
- mm
- Air volume displaced at xmax
- VD
- 2.1
- cm³
- Power handling
- P
- 4
- W
- Program power
- Pmax
- 20
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.2
- Ω
- Inductance (1kHz)
- LE
- 0.13
- mH
- VC Diameter
- 22
- mm
- Winding height
- HVC
- 4.7
- mm
- Force factor
- Bl
- 2.67
- N/A
- Motor constant
- Bl/√RE
- 1.07
- N/√W
- Air gap height
- HAG
- 2
- mm
- Effective diameter
- 45
- mm
- Effective area
- SD
- 16
- cm²
- Moving mass
- MMS
- 1.5
- g
- Moving mass (without air load)
- MMD
- 1.5
- g
- Stiffness
- KMS
- 1.27
- N/mm
- Compliance
- CMS
- 785
- µm/N
- Equivalent volume to the compliance
- VAS
- 0.27
- L
- Mechanical resistance
- RMS
- 0.16
- N·s/m
- Nominal diameter
- 2
- ″
- 51
- mm
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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