Sony STR-DA9000ES Technical Background - Page 31
Spider Ground Plate
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quality. At the same time, they're environmentally friendly designs, entirely leadfree and PVC-free. Sometimes size does matter, as in the oversized filter capacitors of Sony's STR-DA3100ES. Spider Ground Plate Amplifier designers often assume that the various circuits inside the chassis all "see" a common ground. Unfortunately, slight differences in grounding can have a subtle impact on the sound. That's why Sony created a Spider Grounding Plate for the STR-DA3100ES and DA2100ES. The plate establishes a "standard reference ground" for all circuits and reduces common impedance. Sony's Spider Grounding Plate uses ten points, plus substantially thicker connections to achieve a standard reference ground. ES Receivers v1.0 Page 31
ES Receivers v1.0
Page 31
quality.
At the same time, they're environmentally friendly designs, entirely lead-
free and PVC-free.
Sometimes size does matter, as in the oversized filter capacitors of
Sony's STR-DA3100ES.
Spider Ground Plate
Amplifier designers often assume that the various circuits inside the
chassis all "see" a common ground.
Unfortunately, slight differences in
grounding can have a subtle impact on the sound.
That's why Sony created a
Spider Grounding Plate for the STR-DA3100ES and DA2100ES.
The plate
establishes a "standard reference ground" for all circuits and reduces common
impedance.
Sony's Spider Grounding Plate uses ten points, plus substantially
thicker connections to achieve a standard reference ground.