EASTECH ASDFD4005-0801
8Ω
Full-range
Nominal diameter | 3″ / 76 mm |
Resonance | 165 Hz |
Q factor | 0.69 |
Sensitivity | 87 dB |
Linear excursion | ± 1.8 mm |
Program Power | 50 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87dB
Thiele & Small parameters
- Resonance frequency (free air) fS 165Hz
- Mechanical quality factor QMS 10.20
- Electrical quality factor QES 0.74
- Total quality factor QTS 0.69
Large signal parameters
- Maximum linear excursion xmax 1.8mm
- Air volume displaced at xmax VD 5.3cm³
- Power handling P 25W
- Program power Pmax 50W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.3Ω
- Inductance (1kHz) LE 0.18mH
- VC Diameter 20.3mm
- Winding height HVC 7mm
- Winding material PESVCCAW
- Former material Polyimide
Magnet
- Force factor Bl 4.77N/A
- Motor constant Bl/√RE 1.77N/√W
- Air gap height HAG 3.5mm
- Material Ferrite
Diaphragm
- Effective diameter 62mm
- Effective area SD 30.2cm²
- Moving mass MMS 2.23g
- Moving mass (without air load) MMD 2.1g
- Material Paper
Suspensions
- Stiffness KMS 2.38N/mm
- Compliance CMS 420µm/N
- Equivalent volume to the compliance VAS 0.538L
- Mechanical resistance RMS 0.23N·s/m
- Surround material Cloth
Dimensions
- Nominal diameter 3″
- 76mm
- Volume occupied by the driver (estimated) 0.17L
- Net weight 0.45kg
- Frame material Steel
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