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it from the audio section and other sections of
the player
. The damper bridge is machined
fr
om solid aluminum, increasing mass and
rigidity, thus helping to eliminate flexur
e
from day-to-day operation and pr
omoting sta
-
bility in the physical mechanism. All of these
design attributes work in concert to provide
smooth, quiet, and consistent transport oper-
ation.
The Power Supply
The power supply is the foundation upon
which the audio and video signals are built.
The analog audio outputs utilize a dedicated
power system. This consists of a custom
designed low-noise, toroidal transformer, a
secondary analog power section which per-
for
ms the first stage of r
egulation and filter
-
ing, followed by a final stage of local r
egula
-
tion in the output section itself.
Power to the digital audio and video sections
is pr
ovided by a switch-mode power supply
that delivers a single constant voltage. This is
distributed to local modules where it is con
-
verted to the voltages r
equir
ed for each indi-
vidual circuit. This “point of load” power dis-
tribution technique prevents unwanted inter-
actions caused by uneven supply during peri-
ods of high demand fr
om any single circuit.
Another advantage is the ef
ficient distribu
-
tion of power r
educing ther
mal dissipation
and providing a more stable operating envi-
ronment.
The Video Processor
The Nº51 provides the video performance
and flexibility that one would expect from a
Mark Levinson Media Player
. Custom cali
-
brated scaling and de-interlacing ar
e pr
ovided
with support for resolutions up to 720p and
1080i. Other features include aspect ratio
5
Interior view of the Nº51 displaying
the cast aluminum transport assembly.