Jensen Mod 8-20
4Ω
8ΩGuitar Speaker
8″ / 207 mm
Nominal diameter
111 Hz
Resonance
1.74
Q factor
96 dB
Sensitivity
± 1.5 mm
Linear excursion
40 W
Program Power
![Jensen Mod 8-20 Guitar Speaker](/Jensen/Mod8-20_4Ω/Jensen_Mod8-20_4Ω_(Photo_1).png)
![Jensen Mod 8-20 Guitar Speaker](/Jensen/Mod8-20_4Ω/Jensen_Mod8-20_4Ω_(Photo_2).png)
![Jensen Mod 8-20 Guitar Speaker](/Jensen/Mod8-20_4Ω/Jensen_Mod8-20_4Ω_(Photo_3).png)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.8
- dB
- Resonance frequency (free air)
- fS
- 111
- Hz
- Mechanical quality factor
- QMS
- 19.23
- Electrical quality factor
- QES
- 1.91
- Total quality factor
- QTS
- 1.74
- Maximum linear excursion
- xmax
- 1.5
- mm
- Air volume displaced at xmax
- VD
- 32
- cm³
- Power handling
- P
- 20
- W
- Program power
- Pmax
- 40
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.3
- Ω
- Inductance (1kHz)
- LE
- 0.3
- mH
- VC Diameter
- 25
- mm
- Winding material
- Copper
- Former material
- Epotex
- Flux density
- B
- 1.0
- T
- Force factor
- Bl
- 3.47
- N/A
- Motor constant
- Bl/√RE
- 1.92
- N/√W
- Weight
- 0.16
- kg
- Material
- Ferrite
- Effective diameter
- 165
- mm
- Effective area
- SD
- 214
- cm²
- Moving mass
- MMS
- 10.1
- g
- Moving mass (without air load)
- MMD
- 7.8
- g
- Material
- Paper
- Stiffness
- KMS
- 4.9
- N/mm
- Compliance
- CMS
- 204
- µm/N
- Equivalent volume to the compliance
- VAS
- 13.1
- L
- Mechanical resistance
- RMS
- 0.37
- N·s/m
- Surround material
- Integrated Paper
- Nominal diameter
- 8
- ″
- 207
- mm
- Overall diameter
- 207
- mm
- Volume occupied by the driver (estimated)
- 0.26
- L
- Net weight
- 0.68
- kg
- Frame material
- Pressed Sheet
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Jensen Mod 8-20 Dimensions](/Jensen/Mod8-20_4Ω/Jensen_Mod8-20_4Ω_(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)