Eighteen Sound 8CX650
8Ω
Coaxial
| Nominal diameter | 8″ / 200 mm |
| Resonance | 65 Hz |
| Q factor | 0.35 |
| Sensitivity | 92.7 dB |
| Linear excursion | ± 6 mm |
| Program Power | 400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 92.7dB
- Frequency response 90 - 4700Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 65Hz
- Mechanical quality factor QMS 6.40
- Electrical quality factor QES 0.37
- Total quality factor QTS 0.35
Large signal parameters
- Maximum linear excursion xmax 6mm
- Air volume displaced at xmax VD 136cm³
- Power handling P 200W
- Program power Pmax 400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 4.9Ω
- Inductance (1kHz) LE 0.7mH
- VC Diameter 65mm
- Winding material Edgewound Aluminum
Magnet
- Force factor Bl 12N/A
- Motor constant Bl/√RE 5.42N/√W
Diaphragm
- Effective diameter 170mm
- Effective area SD 227cm²
- Moving mass MMS 25.6g
- Moving mass (without air load) MMD 23.1g
Suspensions
- Stiffness KMS 4.27N/mm
- Compliance CMS 234µm/N
- Equivalent volume to the compliance VAS 16.6L
- Mechanical resistance RMS 1.63N·s/m
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 210mm
- Baffle cutout diameter 185mm
- Overall depth 132mm
- Flange thickness 8mm
- Mounting depth 124mm
- Volume occupied by the driver (estimated) 1.9L
- Net weight 5.6kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
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Hornresp
QSpeakers
SpeakerSim
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