Eminence ALPHA-8A
Mid Bass
8″ / 203 mm
Nominal diameter
73 Hz
Resonance
0.59
Q factor
92 dB
Sensitivity
± 3.2 mm
Linear excursion
250 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 91.5
- dB
- Frequency response
- 58 - 5000
- Hz
- Resonance frequency (free air)
- fS
- 73.0
- Hz
- Mechanical quality factor
- QMS
- 4.60
- Electrical quality factor
- QES
- 0.68
- Total quality factor
- QTS
- 0.59
- Maximum linear excursion
- xmax
- 3.2
- mm
- Maximum excursion before damage
- xlim
- 7.1
- mm
- Air volume displaced at xmax
- VD
- 67
- cm³
- Power handling
- P
- 125
- W
- Program power
- Pmax
- 250
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.3
- Ω
- Inductance (1kHz)
- LE
- 0.44
- mH
- VC Diameter
- 38
- mm
- Winding material
- Copper
- Former material
- Polyimide
- Force factor
- Bl
- 7.8
- N/A
- Motor constant
- Bl/√RE
- 3.39
- N/√W
- Air gap height
- HAG
- 6.4
- mm
- Weight
- 0.567
- kg
- Material
- Ferrite
- Effective diameter
- 164
- mm
- Effective area
- SD
- 210
- cm²
- Moving mass
- MMS
- 17
- g
- Moving mass (without air load)
- MMD
- 14.7
- g
- Material
- Paper
- Stiffness
- KMS
- 3.57
- N/mm
- Compliance
- CMS
- 280
- µm/N
- Equivalent volume to the compliance
- VAS
- 17.7
- L
- Mechanical resistance
- RMS
- 1.7
- N·s/m
- Surround material
- Cloth
- Nominal diameter
- 8
- ″
- 203
- mm
- Overall diameter
- 209
- mm
- Baffle cutout diameter
- 181
- mm
- Overall depth
- 83
- mm
- Volume occupied by the driver
- 0.58
- L
- Net weight
- 1.95
- kg
- Frame material
- Pressed steel
Available on (affiliate links)
Specifications
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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