Eminence BETA-12A-2
Bass Guitar Speaker
12″ / 305 mm
Nominal diameter
47 Hz
Resonance
0.46
Q factor
95 dB
Sensitivity
± 4.4 mm
Linear excursion
500 W
Program Power
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- Parts Express
- $$$
- Amazon.com
- $$$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.1
- dB
- Frequency response
- 43 - 3800
- Hz
- Resonance frequency (free air)
- fS
- 47.0
- Hz
- Mechanical quality factor
- QMS
- 6.00
- Electrical quality factor
- QES
- 0.50
- Total quality factor
- QTS
- 0.46
- Maximum linear excursion
- xmax
- 4.4
- mm
- Maximum excursion before damage
- xlim
- 11.0
- mm
- Air volume displaced at xmax
- VD
- 237
- cm³
- Power handling
- P
- 250
- W
- Program power
- Pmax
- 500
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.0
- Ω
- Inductance (1kHz)
- LE
- 0.64
- mH
- VC Diameter
- 51
- mm
- Winding material
- Copper
- Former material
- Polyimide
- Force factor
- Bl
- 10.8
- N/A
- Motor constant
- Bl/√RE
- 4.83
- N/√W
- Air gap height
- HAG
- 7.9
- mm
- Weight
- 1.077
- kg
- Material
- Ferrite
- Effective diameter
- 262
- mm
- Effective area
- SD
- 539
- cm²
- Moving mass
- MMS
- 40
- g
- Moving mass (without air load)
- MMD
- 31.3
- g
- Material
- Paper
- Stiffness
- KMS
- 3.45
- N/mm
- Compliance
- CMS
- 290
- µm/N
- Equivalent volume to the compliance
- VAS
- 120
- L
- Mechanical resistance
- RMS
- 1.97
- N·s/m
- Surround material
- Cloth
- Nominal diameter
- 12
- ″
- 305
- mm
- Overall diameter
- 306
- mm
- Baffle cutout diameter
- 281
- mm
- Overall depth
- 140
- mm
- Volume occupied by the driver
- 2.0
- L
- Net weight
- 3.4
- 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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