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DIY For Audio
GerDAC cntnd
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<blockquote data-quote="chipwelder" data-source="post: 35073" data-attributes="member: 54"><p>OK, floated the ground on pre-amp and then on power-amp as well, still the hum. The hum changes volume with volume control and at loudest Volume settings it goes quiet again... </p><p></p><p>I need to get a 4 place rotary selector, with separate grounds I think... mine is a nice sturdy job, but it has no gnd, so all the signal gnd's are connected and remain connected at the same pre-amp buffer.</p><p></p><p>It didn't do this with the panasonic in my system... and the LG and DAC doesn't do it in another system. </p><p></p><p>BTW you know its a crap dvdp if you can't press any buttons or it shifts... for this reason alone it's gonna get sandbagged.</p></blockquote><p></p>
[QUOTE="chipwelder, post: 35073, member: 54"] OK, floated the ground on pre-amp and then on power-amp as well, still the hum. The hum changes volume with volume control and at loudest Volume settings it goes quiet again... I need to get a 4 place rotary selector, with separate grounds I think... mine is a nice sturdy job, but it has no gnd, so all the signal gnd's are connected and remain connected at the same pre-amp buffer. It didn't do this with the panasonic in my system... and the LG and DAC doesn't do it in another system. BTW you know its a crap dvdp if you can't press any buttons or it shifts... for this reason alone it's gonna get sandbagged. [/QUOTE]
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DIY & Tutorials
DIY For Audio
GerDAC cntnd
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