M21WJ-49-08




Nominal impedance [ohm]
8
Voice coil resistance [ohm]
5.8
Nominal power [W]
80
Short term max power [W]
-
 
Long term max power [W]
-
 
Operating power [W]
4
Sensitivity [dB]
90
Frequency range [Hz]
25-3000
Free air resonance [Hz]
25
 
Voice coil diameter [mm]
32
Voice coil height [mm]
13
 
Air gap height [mm]
6
 
Voice coil inductance [mH]
1.7
Eff. diaphragm Area [cm²]
139
 
Moving mass [g]
23.5
 
Magnet weight [g]/[oz]
415/14.6
 
Force factor [Bl]
8.9
 
VAS [l]
140
 
Qms
2.20
 
Qes
0.27
 
Qts
0.24
 


OD: 215 mm   CD: 187 mm
FT: 4.5 mm   ID: 76 mm
MD: 92.3 mm   HD: 4xø5@ø206.5


      Frequency response: 2.83V / 1m


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