HELIX COMPOSE Ci7 W165FM-S3
Mid Bass
6.5″ / 165 mm
Nominal diameter
60 Hz
Resonance
0.55
Q factor
87 dB
Sensitivity
± 3.7 mm
Linear excursion
225 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.1
- dB
- Frequency response
- 50 - 3500
- Hz
- Resonance frequency (free air)
- fS
- 60.0
- Hz
- Mechanical quality factor
- QMS
- 3.00
- Electrical quality factor
- QES
- 0.68
- Total quality factor
- QTS
- 0.55
- Maximum linear excursion
- xmax
- 3.7
- mm
- Air volume displaced at xmax
- VD
- 49
- cm³
- Power handling
- P
- 150
- W
- Program power
- Pmax
- 225
- W
- Nominal impedance
- Z
- 3
- Ω
- DC resistance
- RE
- 2.9
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.2
- mH
- VC Diameter
- 37
- mm
- Winding height
- HVC
- 13.4
- mm
- Force factor
- Bl
- 4.8
- N/A
- Motor constant
- Bl/√RE
- 2.82
- N/√W
- Effective diameter
- 129
- mm
- Effective area
- SD
- 131
- cm²
- Moving mass
- MMS
- 14.8
- g
- Moving mass (without air load)
- MMD
- 13.7
- g
- Stiffness
- KMS
- 2.08
- N/mm
- Compliance
- CMS
- 480
- µm/N
- Equivalent volume to the compliance
- VAS
- 11.6
- L
- Mechanical resistance
- RMS
- 1.83
- N·s/m
- Nominal diameter
- 6.5
- ″
- 165
- mm
- Overall diameter
- 165
- mm
- Baffle cutout diameter
- 142
- mm
- Mounting depth
- 66
- mm
- Volume occupied by the driver (estimated)
- 0.5
- L
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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