Scan-Speak Illuminator 12MU/4731T00
4Ω
Mid-range
| Nominal diameter | 4.5″ / 120 mm |
| Resonance | 64 Hz |
| Q factor | 0.24 |
| Sensitivity | 89 dB |
| Linear excursion | ± 3.5 mm |
| Program Power | 150 W |
.jpg)
.jpg)
.jpg)
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 89dB
- Frequency response 100 - 10000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 64Hz
- Mechanical quality factor QMS 3.64
- Electrical quality factor QES 0.26
- Total quality factor QTS 0.24
Large signal parameters
- Maximum linear excursion xmax 3.5mm
- Maximum excursion before damage xlim 10mm
- Air volume displaced at xmax VD 20cm³
- Power handling P 80W
- Program power Pmax 150W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.1Ω
- Inductance (1kHz, estimated) LE 0.21mH
- VC Diameter 32mm
- Winding height HVC 6mm
Magnet
- Force factor Bl 5.1N/A
- Motor constant Bl/√RE 2.9N/√W
- Air gap height HAG 13mm
- Material Neodymium
Diaphragm
- Effective diameter 86mm
- Effective area SD 58cm²
- Moving mass MMS 5.4g
- Moving mass (without air load) MMD 5.1g
Suspensions
- Stiffness KMS 0.87N/mm
- Compliance CMS 1150µm/N
- Equivalent volume to the compliance VAS 5.4L
- Mechanical resistance RMS 0.6N·s/m
Dimensions
- Nominal diameter 4.5″
- 120mm
- Volume occupied by the driver 0.14L
- Net weight 0.8kg
.png)
.png)
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs.png.webp)
.jpg.webp)
.jpg.webp)