Ciare CZ087
4Ω
2 Way
| Nominal diameter | 3″ / 87 mm |
| Resonance | 177 Hz |
| Q factor | 1.76 |
| Sensitivity | 88 dB |
| Linear excursion | ± 1.6 mm |
| Program Power | 80 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 88dB
Thiele & Small parameters
- Resonance frequency (free air) fS 177Hz
- Mechanical quality factor QMS 5.56
- Electrical quality factor QES 2.57
- Total quality factor QTS 1.76
Large signal parameters
- Maximum linear excursion xmax 1.6mm
- Air volume displaced at xmax VD 5.2cm³
- Power handling P 30W
- Program power Pmax 80W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.5Ω
- Inductance (1kHz, estimated) LE 0.12mH
- VC Diameter 25mm
- Former material Aluminium
Magnet
- Force factor Bl 1.74N/A
- Motor constant Bl/√RE 0.93N/√W
- Air gap height HAG 3mm
- Material Ferrite
Diaphragm
- Effective diameter 65mm
- Effective area SD 32.7cm²
- Moving mass MMS 2g
- Moving mass (without air load) MMD 1.9g
Suspensions
- Stiffness KMS 2.44N/mm
- Compliance CMS 410µm/N
- Equivalent volume to the compliance VAS 0.62L
- Mechanical resistance RMS 0.4N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 3″
- 87mm
- Overall diameter 87mm
- Baffle cutout diameter 77mm
- Overall depth 36mm
- Flange thickness 8mm
- Mounting depth 28mm
- Frame material Steel
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