Eminence ALPHA 2-8
Full-range
2″ / 51 mm
Nominal diameter
186 Hz
Resonance
0.72
Q factor
82 dB
Sensitivity
± 1.7 mm
Linear excursion
30 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 81.5
- dB
- Frequency response
- 200 - 20000
- Hz
- Resonance frequency (free air)
- fS
- 186
- Hz
- Mechanical quality factor
- QMS
- 3.06
- Electrical quality factor
- QES
- 0.94
- Total quality factor
- QTS
- 0.72
- Maximum linear excursion
- xmax
- 1.7
- mm
- Maximum excursion before damage
- xlim
- 2.2
- mm
- Air volume displaced at xmax
- VD
- 2.1
- cm³
- Power handling
- P
- 20
- W
- Program power
- Pmax
- 30
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.4
- Ω
- Inductance (1kHz)
- LE
- 0.13
- mH
- VC Diameter
- 16
- mm
- Winding material
- Copper
- Former material
- Polyimide
- Force factor
- Bl
- 2.64
- N/A
- Motor constant
- Bl/√RE
- 1.04
- N/√W
- Air gap height
- HAG
- 3
- mm
- Weight
- 0.085
- kg
- Effective diameter
- 40
- mm
- Effective area
- SD
- 12
- cm²
- Moving mass
- MMS
- 1
- g
- Moving mass (without air load)
- MMD
- 1
- g
- Stiffness
- KMS
- 1.19
- N/mm
- Compliance
- CMS
- 840
- µm/N
- Equivalent volume to the compliance
- VAS
- 0.18
- L
- Mechanical resistance
- RMS
- 0.38
- N·s/m
- Surround material
- Paper/Poly Sandwich
- Nominal diameter
- 2
- ″
- 51
- mm
- Overall diameter
- 54
- mm
- Baffle cutout diameter
- 51
- mm
- Volume occupied by the driver
- 0.03
- L
- Net weight
- 0.18
- kg
- Frame material
- Pressed steel
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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