Eighteen Sound 6NMB420 16Ω
8Ω
16Ω
Mid Bass
6.5″ / 152 mm
Nominal diameter
112 Hz
Resonance
0.4
Q factor
93 dB
Sensitivity
± 3 mm
Linear excursion
260 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 92.9
- dB
- Frequency response
- 200 - 6300
- Hz
- Resonance frequency (free air)
- fS
- 112
- Hz
- Mechanical quality factor
- QMS
- 3.42
- Electrical quality factor
- QES
- 0.46
- Total quality factor
- QTS
- 0.40
- Maximum linear excursion
- xmax
- 3.0
- mm
- Air volume displaced at xmax
- VD
- 39
- cm³
- Power handling
- P
- 200
- W
- Program power
- Pmax
- 260
- W
- Nominal impedance
- Z
- 16
- Ω
- DC resistance
- RE
- 10.6
- Ω
- Inductance (1kHz)
- LE
- 0.15
- mH
- VC Diameter
- 44
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 9.0
- N/A
- Motor constant
- Bl/√RE
- 2.76
- N/√W
- Material
- Neodymium
- Effective diameter
- 129
- mm
- Effective area
- SD
- 130
- cm²
- Moving mass
- MMS
- 8.5
- g
- Moving mass (without air load)
- MMD
- 7.4
- g
- Material
- Weather protected
- Stiffness
- KMS
- 4.2
- N/mm
- Compliance
- CMS
- 238
- µm/N
- Equivalent volume to the compliance
- VAS
- 5.9
- L
- Mechanical resistance
- RMS
- 1.75
- N·s/m
- Nominal diameter
- 6.5
- ″
- 152
- mm
- Overall diameter
- 162
- mm
- Baffle cutout diameter
- 148
- mm
- Overall depth
- 73
- mm
- Flange thickness
- 11
- mm
- Mounting depth
- 62
- mm
- Volume occupied by the driver (estimated)
- 0.41
- L
- Net weight
- 1.25
- kg
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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