Beyma 3FR30
8Ω
Full-range
| Nominal diameter | 3″ / 77 mm |
| Resonance | 160 Hz |
| Q factor | 0.49 |
| Sensitivity | 88.3 dB |
| Linear excursion | ± 4.5 mm |
| Program power | 60 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 88.3dB
- Frequency response 160 - 20000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 160Hz
- Mechanical quality factor QMS 8.00
- Electrical quality factor QES 0.52
- Total quality factor QTS 0.49
Large signal parameters
- Maximum linear excursion (one way) xmax 4.5mm
- Air volume displaced at xmax VD 14cm³
- Power handling P 30W
- Program power Pmax 60W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.6Ω
- Inductance (1kHz) LE 0.25mH
- VC Diameter 20.3mm
- Winding height HVC 10.5mm
Magnet
- Force factor Bl 4.9N/A
- Motor constant Bl/√RE 2.07N/√W
- Air gap height HAG 3mm
- Material Ferrite
Diaphragm
- Effective diameter 62mm
- Effective area SD 30cm²
- Moving mass (including air load) MMS 2.2g
- Moving mass MMD 2.1g
Suspensions
- Stiffness KMS 2.33N/mm
- Compliance CMS 430µm/N
- Equivalent volume to the compliance VAS 0.67L
- Mechanical resistance RMS 0.28N·s/m
Dimensions
- Nominal diameter 3″
- 77mm
- Volume occupied by the driver (estimated) 0.22L
- Net weight 0.57kg
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Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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