EASTECH FSB521530-3412
4Ω
Full-range
Nominal diameter | 3″ / 76 mm |
Resonance | 181 Hz |
Q factor | 1.49 |
Sensitivity | 86.8 dB |
Linear excursion | ± 1 mm |
Program Power | 30 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 181Hz
- Mechanical quality factor QMS 9.22
- Electrical quality factor QES 1.78
- Total quality factor QTS 1.49
Large signal parameters
- Maximum linear excursion xmax 1mm
- Air volume displaced at xmax VD 3cm³
- Power handling P 15W
- Program power Pmax 30W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.8Ω
- Inductance (1kHz) LE 0.128mH
- VC Diameter 16.4mm
- Winding height HVC 5mm
- Winding material PESVW
- Former material Kapton
Magnet
- Force factor Bl 2.51N/A
- Motor constant Bl/√RE 1.28N/√W
- Air gap height HAG 3mm
- Material Ferrite
Diaphragm
- Effective diameter 62mm
- Effective area SD 30.2cm²
- Moving mass MMS 2.59g
- Moving mass (without air load) MMD 2.5g
- Material Paper
Suspensions
- Stiffness KMS 3.34N/mm
- Compliance CMS 299µm/N
- Equivalent volume to the compliance VAS 0.385L
- Mechanical resistance RMS 0.319N·s/m
- Surround material Cloth
Dimensions
- Nominal diameter 3″
- 76mm
- Net weight 0.212kg
- Frame material Steel
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