HELIX COMPOSE Ci3 W200FM-S3
3Ω
Woofer
Nominal diameter | 8″ / 200 mm |
Resonance | 67 Hz |
Q factor | 0.76 |
Sensitivity | 89.6 dB |
Linear excursion | ± 3.8 mm |
Program Power | 150 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 89.6dB
- Frequency response 50 - 3000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 67Hz
- Mechanical quality factor QMS 4.25
- Electrical quality factor QES 0.93
- Total quality factor QTS 0.76
Large signal parameters
- Maximum linear excursion xmax 3.8mm
- Air volume displaced at xmax VD 81cm³
- Power handling P 100W
- Program power Pmax 150W
Voice Coil
- Nominal impedance Z 3Ω
- DC resistance RE 3.0Ω
- Inductance (1kHz, estimated) LE 0.47mH
- VC Diameter 25mm
- Winding height HVC 11.6mm
Magnet
- Force factor Bl 5.1N/A
- Motor constant Bl/√RE 2.94N/√W
Diaphragm
- Effective diameter 165mm
- Effective area SD 214cm²
- Moving mass MMS 18.8g
- Moving mass (without air load) MMD 16.6g
Suspensions
- Stiffness KMS 3.33N/mm
- Compliance CMS 300µm/N
- Equivalent volume to the compliance VAS 19L
- Mechanical resistance RMS 1.87N·s/m
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 195mm
- Baffle cutout diameter 174mm
- Mounting depth 64mm
- Volume occupied by the driver (estimated) 0.77L
Export this driver to a simulation software:
Closed Box Simulator·





