ML 500R unique feature is its acoustic radiation dipolar typology.
The absence of a back load makes membrane work in maximum symmetry, with ideal damping.
Bass response is outstanding: Fs is only 370 Hz and this is an impressive value for such a
compact component; it makes its versatility and easy use unique.
110
0°
30°
0
8
16
24
32
40
Section of a traditional ribbon
component with monopolar emission.
Section of ML 500R
with dipolar emission.
Frequency Responce
ML 500R
Enthusiasts and professionals believe that ribbon speakers can ensure faster transients than
traditional cone drivers thanks to their very light mobile voice coil. What they do not consider is the
delicate relation among the induction in the gap, the length of the wire into the field and the
membrane mass.
ML 500R is one of the very few isodynamic ribbon speakers with push-pull motor section and
membrane/magnet innovative geometry.
The motor structure was designed to generate a
perfectly symmetrical magnetic field for eliminating
intermodulation distortions and concentrating very
high energy in the gap. You get a speaker with 6 dB
higher efficiency than a traditional component,
extraordinary dynamics and very high thermal
dissipation.
If you want to obtain the same pressure
you get with ML 500R (93 dB 1W/1m)
from a traditional speaker (87 dB 1W/1m),
you need to use a four-time
higher power.
Power/Efficiency Comparison
Detailed drawing
ML 500 R
Technology
English
