Eminence BETA-12LTA
8Ω
Woofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 45 Hz |
| Q factor | 0.51 |
| Sensitivity | 95.3 dB |
| Linear excursion | ± 3.2 mm |
| Program power | 450 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.3dB
- Frequency response 48 - 8000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 45Hz
- Mechanical quality factor QMS 6.44
- Electrical quality factor QES 0.55
- Total quality factor QTS 0.51
Large signal parameters
- Maximum linear excursion (one way) xmax 3.2mm
- Maximum excursion before damage xlim 8mm
- Air volume displaced at xmax VD 170cm³
- Power handling P 225W
- Program power Pmax 450W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.4Ω
- Inductance (1kHz) LE 0.83mH
- VC Diameter 51mm
- Winding material Copper
- Former material Polyimide
Magnet
- Force factor Bl 11.7N/A
- Motor constant Bl/√RE 4.31N/√W
- Air gap height HAG 7.9mm
- Weight 1.077kg
- Material Ferrite
Diaphragm
- Effective diameter 260mm
- Effective area SD 532cm²
- Moving mass (including air load) MMS 36g
- Moving mass MMD 27.4g
- Material Paper
Suspensions
- Stiffness KMS 2.94N/mm
- Compliance CMS 340µm/N
- Equivalent volume to the compliance VAS 136L
- Mechanical resistance RMS 1.58N·s/m
- Surround material Cloth
Dimensions
- Nominal diameter 12″
- 305mm
- Overall diameter 306mm
- Baffle cutout diameter 281mm
- Overall depth 114mm
- Volume occupied by the driver 2L
- Net weight 3.67kg
- Frame material Pressed steel
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Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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