Eminence BETA-8A
Mid Bass
8″ / 203 mm
Nominal diameter
65 Hz
Resonance
0.38
Q factor
93 dB
Sensitivity
± 3 mm
Linear excursion
450 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 93.2
- dB
- Frequency response
- 78 - 4500
- Hz
- Resonance frequency (free air)
- fS
- 65.0
- Hz
- Mechanical quality factor
- QMS
- 4.95
- Electrical quality factor
- QES
- 0.42
- Total quality factor
- QTS
- 0.38
- Maximum linear excursion
- xmax
- 3.0
- mm
- Maximum excursion before damage
- xlim
- 7.4
- mm
- Air volume displaced at xmax
- VD
- 63
- cm³
- Power handling
- P
- 225
- W
- Program power
- Pmax
- 450
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.0
- Ω
- Inductance (1kHz)
- LE
- 0.49
- mH
- VC Diameter
- 51
- mm
- Winding material
- Aluminum
- Former material
- Polyimide
- Force factor
- Bl
- 9.6
- N/A
- Motor constant
- Bl/√RE
- 3.92
- N/√W
- Air gap height
- HAG
- 7.9
- mm
- Weight
- 0.964
- kg
- Material
- Ferrite
- Effective diameter
- 164
- mm
- Effective area
- SD
- 210
- cm²
- Moving mass
- MMS
- 16
- g
- Moving mass (without air load)
- MMD
- 13.7
- g
- Material
- Paper
- Stiffness
- KMS
- 2.7
- N/mm
- Compliance
- CMS
- 370
- µm/N
- Equivalent volume to the compliance
- VAS
- 23.3
- L
- Mechanical resistance
- RMS
- 1.32
- N·s/m
- Surround material
- Cloth
- Nominal diameter
- 8
- ″
- 203
- mm
- Overall diameter
- 209
- mm
- Baffle cutout diameter
- 181
- mm
- Overall depth
- 89
- mm
- Volume occupied by the driver
- 0.76
- L
- Net weight
- 2.99
- 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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