Tang Band W4-639SE
Woofer
4″ / 102 mm
Nominal diameter
70 Hz
Resonance
0.47
Q factor
86 dB
Sensitivity
± 3.15 mm
Linear excursion
50 W
Program Power
Discontinued
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.9
- dB
- Frequency response
- 70 - 7000
- Hz
- Resonance frequency (free air)
- fS
- 70.0
- Hz
- Mechanical quality factor
- QMS
- 3.70
- Electrical quality factor
- QES
- 0.54
- Total quality factor
- QTS
- 0.47
- Maximum linear excursion
- xmax
- 3.15
- mm
- Air volume displaced at xmax
- VD
- 18
- cm³
- Power handling
- P
- 25
- W
- Program power
- Pmax
- 50
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.0
- Ω
- Inductance (1kHz)
- LE
- 0.17
- mH
- VC Diameter
- 25
- mm
- Force factor
- Bl
- 5.51
- N/A
- Motor constant
- Bl/√RE
- 2.25
- N/√W
- Air gap height
- HAG
- 5
- mm
- Material
- Ferrite
- Effective diameter
- 85
- mm
- Effective area
- SD
- 57
- cm²
- Moving mass
- MMS
- 6
- g
- Moving mass (without air load)
- MMD
- 5.7
- g
- Material
- Kevlar Fiber
- Stiffness
- KMS
- 1.23
- N/mm
- Compliance
- CMS
- 811
- µm/N
- Equivalent volume to the compliance
- VAS
- 3.74
- L
- Mechanical resistance
- RMS
- 0.71
- N·s/m
- Surround material
- Rubber
- Nominal diameter
- 4
- ″
- 102
- mm
- Volume occupied by the driver (estimated)
- 0.14
- L
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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