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floating ground on ICs?

I'm about to embark on a DIY interconnect project - some have suggested a floating ground is a good idea - ie, connect the outershield to one end only, float the other - to draw noise away from the source components.
None of my components are 3 prong AC BTW -except maybe the TV. Is it safe to have an entire system that is just two-prong (sonographe/CJ SA250 is amp - uses hardwired zip cord - will upgrade that someday also.)

Anyone using floating grounds on ICS that can comment on the safety and sound issues ? Planning to make ICs for DAC > preamp and preamp > amp.
gdoodle

Showing 1 response by gregm

gregm
3,021 posts
 
Either do it as Herman suggests -- but make sure the distance b/ween shield & wires is at least 2x the wires diametre and that it covers as best you can the complete length of the conductors to the connectors.\

Or just make them w/out shield and try out. CAVEAT: if you do that, don't leave a component completely unconnected -- i.e., when changing IC's, always have one connecting IC between components.
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