MartinLogan CLS IIz [15/24] Martinlogan exclusives
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MartinLogan CLS IIz [15/24] Martinlogan exclusives

MartinLogan CLS IIz [15/24] Martinlogan exclusives
Since the beginning of audio, achieving smooth dispersion
has been a problem for all loudspeaker designers. Large-
panel transducers present even more of a challenge because
the larger the panel, the more directional the dispersion
pattern becomes.
Full range electrostats have long been one of the most
problematic transducers because they attain their full range
capabilities via a large surface area. It looked as if they
were in direct conflict to smooth dispersion and almost
every attempt to correct this resulted in either poor disper-
sion or a serious compromise in sound quality.
After extensive research, MartinLogan engineers discovered
an elegantly simple solution to achieve a smooth pattern of
dispersion without degrading sound quality. By curving the
horizontal plane of the electrostatic transducer, a con-
trolled horizontal dispersion pattern could be achieved, yet
the purity of the almost massless electrostatic diaphragm
remained uncompromised. After creating this technology,
MartinLogan developed the production capability to bring
it out of the laboratory and into the market place.
You will find this proprietary MartinLogan technology used in
all of our products. It is one of the many reasons behind our
reputation for high-quality sound with practical usability.
This is also why you see the unique “see through” cylindri-
cal shape of all MartinLogan products.
The diaphragm material used in all MartinLogan speakers
employs an extremely sophisticated conductive surface
that has been vapor deposited on the polymer surface at
an atomic level. A proprietary compound is vaporized then
electrostatically driven into the surface of the polymer film
in a vacuum chamber. This process allows an optically
transparent surface adding no mass to the diaphragm that
is extremely uniform in its surface resistivity characteristics.
This uniform surface resistivity controls the electrostatic
charge on the diaphragm surface and regulates its migration.
As a result, no discharging or “arcing” can occur.
Transducer Integrity
All MartinLogan transducers begin with two pieces of
high-grade, cold rolled steel. These steel pieces are then
custom perforated and insulated with a unique composite
coating. This proprietary coating insulates the stator to
three times its actual needed working voltage and gives
the CLS IIz a wide margin of safe operation. In addition to
the electrical insulation properties, this coating also provides
the CLS IIz with a durable, attractive finish that dampens the
steel to prevent ringing. These pieces are then sandwiched
with our exclusive vapor deposited diaphragm and spacers
into a curved geometry and bonded together with aerospace
adhesives whose strength exceeds that of welding.
The result of these advanced technologies is a transducer that
is attractive, durable, highly rigid, well dampened and neutral.
Curvilinear Line Source (CLS
TM
) Vapor Deposited Film
MartinLogan Exclusives 15
MARTINLOGAN EXCLUSIVES

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