Beyma 3FR30V2
8Ω
Full-range
| Nominal diameter | 3″ / 77 mm |
| Resonance | 133 Hz |
| Q factor | 0.51 |
| Sensitivity | 87 dB |
| Linear excursion | ± 2 mm |
| Program Power | 60 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87dB
- Frequency response 135 - 20000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 133Hz
- Mechanical quality factor QMS 5.90
- Electrical quality factor QES 0.56
- Total quality factor QTS 0.51
Large signal parameters
- Maximum linear excursion xmax 2mm
- Air volume displaced at xmax VD 6cm³
- Power handling P 30W
- Program power Pmax 60W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.8Ω
- Inductance (1kHz) LE 0.16mH
- VC Diameter 20.3mm
- Winding height HVC 6mm
Magnet
- Force factor Bl 4.5N/A
- Motor constant Bl/√RE 1.87N/√W
- Air gap height HAG 5mm
Diaphragm
- Effective diameter 62mm
- Effective area SD 30cm²
- Moving mass MMS 2.3g
- Moving mass (without air load) MMD 2.2g
Suspensions
- Stiffness KMS 1.6N/mm
- Compliance CMS 624µm/N
- Equivalent volume to the compliance VAS 1L
- Mechanical resistance RMS 0.32N·s/m
Dimensions
- Nominal diameter 3″
- 77mm
- Overall diameter 94mm
- Baffle cutout diameter 75mm
- Overall depth 52mm
- Volume occupied by the driver (estimated) 0.14L
- Net weight 0.57kg
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Export this driver to a simulation software:
Closed Box Simulator·
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WinISD
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Hornresp
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SpeakerSim
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