Ciare NDI3.21
8Ω
Full-range
| Nominal diameter | 3″ / 76 mm |
| Resonance | 90 Hz |
| Q factor | 0.38 |
| Sensitivity | 87.3 dB |
| Linear excursion | ± 2 mm |
| Program Power | 50 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.3dB
- Frequency response 80 - 20000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 90Hz
- Mechanical quality factor QMS 2.78
- Electrical quality factor QES 0.44
- Total quality factor QTS 0.38
Large signal parameters
- Maximum linear excursion (one way) xmax 2mm
- Air volume displaced at xmax VD 5.8cm³
- Power handling P 25W
- Program power Pmax 50W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.1Ω
- Inductance (1kHz) LE 0.01mH
- VC Diameter 20mm
- Winding material Aluminium
- Former material Kapton
Magnet
- Force factor Bl 4N/A
- Motor constant Bl/√RE 1.62N/√W
- Air gap height HAG 4mm
- Material Ferrite
Diaphragm
- Effective diameter 76mm
- Effective area SD 29cm²
- Moving mass MMS 2g
- Moving mass (without air load) MMD 1.9g
- Material Doped cellulose fiber
Suspensions
- Stiffness KMS 0.653N/mm
- Compliance CMS 1532µm/N
- Equivalent volume to the compliance VAS 1.8L
- Mechanical resistance RMS 0.41N·s/m
- Surround material Rubber - Half Roll
- Spider material Doped fabric
Dimensions
- Nominal diameter 3″
- 76mm
- Overall diameter 90mm
- Baffle cutout diameter 70mm
- Overall depth 45mm
- Flange thickness 3mm
- Mounting depth 42mm
- Volume occupied by the driver (estimated) 0.13L
- Frame material Steel
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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