Tang Band W4-1798S
Full-range
4″ / 102 mm
Nominal diameter
60 Hz
Resonance
0.3
Q factor
87 dB
Sensitivity
± 3 mm
Linear excursion
80 W
Program Power
![Tang Band W4-1798S Full-range](/TangBand/W4-1798S/TangBand_W4-1798S_(Photo_1).png)
![Tang Band W4-1798S Full-range](/TangBand/W4-1798S/TangBand_W4-1798S_(Photo_2).png)
![Tang Band W4-1798S Full-range](/TangBand/W4-1798S/TangBand_W4-1798S_(Photo_3).png)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.2
- dB
- Frequency response
- 60 - 20000
- Hz
- Resonance frequency (free air)
- fS
- 60.0
- Hz
- Mechanical quality factor
- QMS
- 1.61
- Electrical quality factor
- QES
- 0.37
- Total quality factor
- QTS
- 0.30
- Maximum linear excursion
- xmax
- 3.0
- mm
- Air volume displaced at xmax
- VD
- 23
- cm³
- Power handling
- P
- 40
- W
- Program power
- Pmax
- 80
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.6
- Ω
- Inductance (1kHz)
- LE
- 0.01
- mH
- VC Diameter
- 50
- mm
- Force factor
- Bl
- 5.75
- N/A
- Motor constant
- Bl/√RE
- 3.03
- N/√W
- Air gap height
- HAG
- 12
- mm
- Material
- Neodymium
- Effective diameter
- 100
- mm
- Effective area
- SD
- 78
- cm²
- Moving mass
- MMS
- 10
- g
- Moving mass (without air load)
- MMD
- 9.6
- g
- Material
- Sandwich
- Stiffness
- KMS
- 1.18
- N/mm
- Compliance
- CMS
- 848
- µm/N
- Equivalent volume to the compliance
- VAS
- 7.42
- L
- Mechanical resistance
- RMS
- 2.34
- N·s/m
- Surround material
- Foam Rubber
- Nominal diameter
- 4
- ″
- 102
- mm
- Volume occupied by the driver (estimated)
- 0.48
- L
- Net weight
- 1.193
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Tang Band W4-1798S SPL & Impedance](/TangBand/W4-1798S/TangBand_W4-1798S_(Frequency_response_+_Impedance).png)
![Tang Band W4-1798S Dimensions](/TangBand/W4-1798S/TangBand_W4-1798S_(Dimensions).png)
Export this driver to a simulation software:
![WinISD](/images/export/WinISD.png)
![Basta!](/images/export/Basta.png)
![Hornresp](/images/export/Hornresp.png)
![QSpeakers](/images/export/QSpeakers.png)
![SpeakerSim](/images/export/SpeakerSim.png)
![MfbLabs](/images/export/MfbLabs.png)
![Speakerbench](/images/export/Speakerbench.png)