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ES DVD Players 2005, Version 4.0 Page 37
Audiophile-grade components (NS9100ES)
Two capacitors with identical circuit values can have quite different sound
quality. For this reason, Sony® engineers have taken the time to choose top-
quality audiophile-grade components throughout the DVP-NS9100ES. The op
amps, resistors, capacitors and more have been individually selected and
matched for their sound quality. For example, carbon resistors with non-
magnetic leads have been chosen for their higher handling capacity. We chose
film capacitors for their superior audio characteristics. We even considered the
power plug. Sony engineers chose a grounded, 3-pin plug for superior
mechanical and electrical characteristics.
Sony's choice of a grounded AC input assures a more stable electrical
and mechanical connection.
Gold-plated output jacks.
To maximize electrical conductivity and minimize the effects of oxidation
over time, the audio, composite video, S-Video and component video output
jacks are plated with gold. Noise at the contact points is held to a bare minimum.
You might not notice that the output jacks are plated with gold. But they
protect the audio and video signal quality from oxidation which can
degrade the output signal over time. And that can make a noticeable
difference.