Eminence DELTA-12LFA
4Ω C
8Ω A
Low frequency
| Nominal diameter | 12″ / 305 mm |
| Resonance | 51 Hz |
| Q factor | 0.47 |
| Sensitivity | 93.9 dB |
| Linear excursion | ± 4.8 mm |
| Program Power | 1000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 93.9dB
- Frequency response 44 - 3000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 51Hz
- Mechanical quality factor QMS 7.28
- Electrical quality factor QES 0.51
- Total quality factor QTS 0.47
Large signal parameters
- Maximum linear excursion xmax 4.8mm
- Maximum excursion before damage xlim 13.5mm
- Air volume displaced at xmax VD 243cm³
- Power handling P 500W
- Program power Pmax 1000W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.1Ω
- Inductance (1kHz) LE 1.45mH
- VC Diameter 63.5mm
- Winding material Copper
- Former material Polyimide
Magnet
- Force factor Bl 14.1N/A
- Motor constant Bl/√RE 5.73N/√W
- Air gap height HAG 9.5mm
- Weight 1.588kg
- Material Ferrite
Diaphragm
- Effective diameter 254mm
- Effective area SD 507cm²
- Moving mass MMS 51g
- Moving mass (without air load) MMD 42.9g
- Material Paper
Suspensions
- Stiffness KMS 5.26N/mm
- Compliance CMS 190µm/N
- Equivalent volume to the compliance VAS 67.9L
- Mechanical resistance RMS 2.24N·s/m
- Surround material Cloth
Dimensions
- Nominal diameter 12″
- 305mm
- Overall diameter 306mm
- Baffle cutout diameter 281mm
- Overall depth 136mm
- Volume occupied by the driver 2.24L
- Net weight 5.352kg
- Frame material Pressed Steel
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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