Scan-Speak Illuminator 12MU/8731T00
8Ω
Mid-range
| Nominal diameter | 4.5″ / 120 mm |
| Resonance | 66 Hz |
| Q factor | 0.29 |
| Sensitivity | 89 dB |
| Linear excursion | ± 3.4 mm |
| Program Power | 150 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 89dB
- Frequency response 100 - 10000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 66Hz
- Mechanical quality factor QMS 3.63
- Electrical quality factor QES 0.31
- Total quality factor QTS 0.29
Large signal parameters
- Maximum linear excursion xmax 3.4mm
- Maximum excursion before damage xlim 11mm
- Air volume displaced at xmax VD 20cm³
- Power handling P 80W
- Program power Pmax 150W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.9Ω
- Inductance (1kHz, estimated) LE 0.37mH
- VC Diameter 32mm
- Winding height HVC 6.2mm
Magnet
- Force factor Bl 6.1N/A
- Motor constant Bl/√RE 2.51N/√W
- Air gap height HAG 13mm
- Material Neodymium
Diaphragm
- Effective diameter 86mm
- Effective area SD 58cm²
- Moving mass MMS 4.7g
- Moving mass (without air load) MMD 4.4g
Suspensions
- Stiffness KMS 0.806N/mm
- Compliance CMS 1240µm/N
- Equivalent volume to the compliance VAS 5.8L
- Mechanical resistance RMS 0.54N·s/m
Dimensions
- Nominal diameter 4.5″
- 120mm
- Volume occupied by the driver 0.14L
- Net weight 0.8kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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