Woofer
8″ / 200 mm
Nominal diameter
73 Hz
Resonance
0.5
Q factor
93 dB
Sensitivity
± 6 mm
Linear excursion
400 W
Program Power
![Eighteen Sound 8MB500 16Ω Woofer](/18Sound/8MB500_16Ω/18Sound_8MB500_16Ω_(Photo_1).png)
![Eighteen Sound 8MB500 16Ω Woofer](/18Sound/8MB500_16Ω/18Sound_8MB500_16Ω_(Photo_2).png)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 92.9
- dB
- Frequency response
- 60 - 4500
- Hz
- Resonance frequency (free air)
- fS
- 73.0
- Hz
- Mechanical quality factor
- QMS
- 3.44
- Electrical quality factor
- QES
- 0.58
- Total quality factor
- QTS
- 0.50
- Maximum linear excursion
- xmax
- 6.0
- mm
- Air volume displaced at xmax
- VD
- 138
- cm³
- Power handling
- P
- 280
- W
- Program power
- Pmax
- 400
- W
- Nominal impedance
- Z
- 16
- Ω
- DC resistance
- RE
- 9.8
- Ω
- Inductance (1kHz)
- LE
- 0.86
- mH
- VC Diameter
- 51
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 11.0
- N/A
- Motor constant
- Bl/√RE
- 3.51
- N/√W
- Effective diameter
- 171
- mm
- Effective area
- SD
- 230
- cm²
- Moving mass
- MMS
- 16
- g
- Moving mass (without air load)
- MMD
- 13.5
- g
- Material
- Weather protected
- Stiffness
- KMS
- 3.37
- N/mm
- Compliance
- CMS
- 297
- µm/N
- Equivalent volume to the compliance
- VAS
- 21.3
- L
- Mechanical resistance
- RMS
- 2.13
- N·s/m
- Nominal diameter
- 8
- ″
- 200
- mm
- Overall diameter
- 210
- mm
- Baffle cutout diameter
- 186
- mm
- Overall depth
- 99
- mm
- Flange thickness
- 14
- mm
- Mounting depth
- 85
- mm
- Volume occupied by the driver (estimated)
- 1.1
- L
- Net weight
- 3.4
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Eighteen Sound 8MB500 16Ω Impedance](/18Sound/8MB500_16Ω/18Sound_8MB500_16Ω_(Impedance).png)
![Eighteen Sound 8MB500 16Ω SPL](/18Sound/8MB500_16Ω/18Sound_8MB500_16Ω_(Frequency_response).png)
![Eighteen Sound 8MB500 16Ω Dimensions](/18Sound/8MB500_16Ω/18Sound_8MB500_16Ω_(Dimensions).gif)
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)