Scanspeak Illuminator 12MU/4731T00
4" (10cm) midrange driver
/Pair
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Description
The Illuminator 12MU/4731T00 from Scanspeak is a 4" (10cm) midrange driver that is characterized by unique features. Manufactured in an open construction, it offers an extremely large linear excursion and a patented SD-3 underhung voice coil system with neodymium drive. These features result in very low distortion and, in combination with the patented cone, ensure low-loss linear excursion. In addition, the midrange driver has a very wide frequency range and high efficiency. In short: here you get high quality for your money.
Features
- 4" (11cm) midrange speaker from the Illuminator series
- Underhung voice coil with neodymium drive
- Diaphragm and dust cap are made from one piece
- Very wide frequency range (100Hz - 10KHz)
- Patented symmetrical drive (SD-3)
- Low-loss linear suspension
- High efficiency, 90dB @ 2.83V
Data
- Load capacity (nominal/music) = 80/150 W
- Frequency range = 70-6000 Hz
- Resonant frequency fs = 64 Hz
Impedance R = 4 Ohm
- Characteristic sound pressure level SPL = 90 dB (2.83V; 1m)
- DC resistance Re = 3.1 Ohm
- Force factor BL = 5.1 N/A
- Voice coil inductance L = 0.11 mH
- Effective diaphragm area Sd = 58 cm2
- Moved mass incl. air load mms = 5.4 g
- Equivalent volume Vas = 5.4 l
- Overall outdoor quality Qts = 0.24 (Qms=3.64, Qes=0.26)
- Diameter of the voice coil = 32 mm
- Linear deflection xlin = +/- 3.5 mm
- Installation diameter d = 101 mm
- Outer diameter d = 120 mm
- Installation depth (not milled) t = 70 mm
Download data sheet
