Sony ST-SA50ES - Am/fm Tuner Technical Background - Page 31

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Sony ST-SA50ES - Am/fm Tuner Technical Background
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.
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
Spider Ground Plate
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