Eighteen Sound 10NMB420
8Ω
16ΩWoofer
10″ / 260 mm
Nominal diameter
56 Hz
Resonance
0.25
Q factor
97 dB
Sensitivity
± 4 mm
Linear excursion
500 W
Program Power
![Eighteen Sound 10NMB420 Woofer](/18Sound/10NMB420/18Sound_10NMB420_(Photo).png)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 97.2
- dB
- Frequency response
- 65 - 5000
- Hz
- Resonance frequency (free air)
- fS
- 56.0
- Hz
- Mechanical quality factor
- QMS
- 5.00
- Electrical quality factor
- QES
- 0.26
- Total quality factor
- QTS
- 0.25
- Maximum linear excursion
- xmax
- 4.0
- mm
- Air volume displaced at xmax
- VD
- 138
- cm³
- Power handling
- P
- 350
- W
- Program power
- Pmax
- 500
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.0
- Ω
- Inductance (1kHz)
- LE
- 0.37
- mH
- VC Diameter
- 65
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 14.5
- N/A
- Motor constant
- Bl/√RE
- 6.48
- N/√W
- Effective diameter
- 210
- mm
- Effective area
- SD
- 346
- cm²
- Moving mass
- MMS
- 29.5
- g
- Moving mass (without air load)
- MMD
- 24.8
- g
- Stiffness
- KMS
- 3.65
- N/mm
- Compliance
- CMS
- 274
- µm/N
- Equivalent volume to the compliance
- VAS
- 40
- L
- Mechanical resistance
- RMS
- 2.08
- N·s/m
- Nominal diameter
- 10
- ″
- 260
- mm
- Overall diameter
- 260
- mm
- Baffle cutout diameter
- 232
- mm
- Overall depth
- 122
- mm
- Flange thickness
- 11
- mm
- Mounting depth
- 111
- mm
- Volume occupied by the driver (estimated)
- 1.4
- L
- Net weight
- 3.0
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Eighteen Sound 10NMB420 Impedance](/18Sound/10NMB420/18Sound_10NMB420_(Impedance).png)
![Eighteen Sound 10NMB420 SPL](/18Sound/10NMB420/18Sound_10NMB420_(Frequency_response).png)
![Eighteen Sound 10NMB420 Dimensions](/18Sound/10NMB420/18Sound_10NMB420_(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)