Eighteen Sound 6M44
Mid-range
6.5″ / 162 mm
Nominal diameter
102 Hz
Resonance
0.29
Q factor
93 dB
Sensitivity
± 2.25 mm
Linear excursion
350 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 92.9
- dB
- Frequency response
- 140 - 7000
- Hz
- Resonance frequency (free air)
- fS
- 102
- Hz
- Mechanical quality factor
- QMS
- 4.40
- Electrical quality factor
- QES
- 0.31
- Total quality factor
- QTS
- 0.29
- Maximum linear excursion
- xmax
- 2.25
- mm
- Air volume displaced at xmax
- VD
- 30
- cm³
- Power handling
- P
- 200
- W
- Program power
- Pmax
- 350
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.3
- Ω
- Inductance (1kHz)
- LE
- 0.32
- mH
- VC Diameter
- 44
- mm
- Winding height
- HVC
- 8
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 13.4
- N/A
- Motor constant
- Bl/√RE
- 5.82
- N/√W
- Air gap height
- HAG
- 7
- mm
- Material
- Ferrite
- Effective diameter
- 130
- mm
- Effective area
- SD
- 132
- cm²
- Moving mass
- MMS
- 16
- g
- Moving mass (without air load)
- MMD
- 14.9
- g
- Material
- Weather protected
- Stiffness
- KMS
- 6.58
- N/mm
- Compliance
- CMS
- 152
- µm/N
- Equivalent volume to the compliance
- VAS
- 3.8
- L
- Mechanical resistance
- RMS
- 2.33
- N·s/m
- Nominal diameter
- 6.5
- ″
- 162
- mm
- Overall diameter
- 162
- mm
- Baffle cutout diameter
- 148
- mm
- Overall depth
- 85
- mm
- Flange thickness
- 13
- mm
- Mounting depth
- 72
- mm
- Volume occupied by the driver (estimated)
- 0.87
- L
- Net weight
- 3.4
- 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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