EASTECH ASDFD1222-0400
4Ω
Full-range
| Nominal diameter | 2.25″ / 57 mm |
| Resonance | 149 Hz |
| Q factor | 0.81 |
| Sensitivity | 80.3 dB |
| Linear excursion | ± 2.8 mm |
| Program Power | 24 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 80.3dB
Thiele & Small parameters
- Resonance frequency (free air) fS 149Hz
- Mechanical quality factor QMS 6.17
- Electrical quality factor QES 0.93
- Total quality factor QTS 0.81
Large signal parameters
- Maximum linear excursion xmax 2.8mm
- Air volume displaced at xmax VD 4.4cm³
- Power handling P 12W
- Program power Pmax 24W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.2Ω
- Inductance (1kHz) LE 0.04mH
- VC Diameter 19.4mm
- Winding height HVC 8.5mm
- Winding material Copper Clad Aluminium
- Former material Kapton
Magnet
- Force factor Bl 2.7N/A
- Motor constant Bl/√RE 1.5N/√W
- Air gap height HAG 3mm
- Material Ferrite
Diaphragm
- Effective diameter 45mm
- Effective area SD 16.1cm²
- Moving mass MMS 2.23g
- Moving mass (without air load) MMD 2.2g
- Material Paper
Suspensions
- Stiffness KMS 1.97N/mm
- Compliance CMS 509µm/N
- Equivalent volume to the compliance VAS 0.187L
- Mechanical resistance RMS 0.34N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 2.25″
- 57mm
- Volume occupied by the driver (estimated) 0.14L
- Net weight 0.387kg
- Frame material Steel
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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