Eminence EJ-1240
8Ω
16ΩGuitar Speaker
| Nominal diameter | 12″ / 305 mm |
| Resonance | 75 Hz |
| Q factor | 0.53 |
| Sensitivity | 100.8 dB |
| Linear excursion | ± 1.2 mm |
| Program Power | 80 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 100.8dB
- Frequency response 80 - 5000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 75Hz
- Mechanical quality factor QMS 20.09
- Electrical quality factor QES 0.54
- Total quality factor QTS 0.53
Large signal parameters
- Maximum linear excursion xmax 1.2mm
- Air volume displaced at xmax VD 64cm³
- Power handling P 40W
- Program power Pmax 80W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.0Ω
- Inductance (1kHz) LE 0.6mH
- VC Diameter 44mm
- Winding material Copper
- Former material Paper
Magnet
- Force factor Bl 12.1N/A
- Motor constant Bl/√RE 4.57N/√W
- Air gap height HAG 8mm
- Weight 0.992kg
- Material Alnico
Diaphragm
- Effective diameter 257mm
- Effective area SD 520cm²
- Moving mass MMS 24g
- Moving mass (without air load) MMD 15.6g
- Material Paper
Suspensions
- Stiffness KMS 5.26N/mm
- Compliance CMS 190µm/N
- Equivalent volume to the compliance VAS 71.2L
- Mechanical resistance RMS 0.56N·s/m
- Surround material Paper
Dimensions
- Nominal diameter 12″
- 305mm
- Overall diameter 309mm
- Baffle cutout diameter 283mm
- Overall depth 159mm
- Volume occupied by the driver 2.24L
- Net weight 3.81kg
- 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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