I have bought a 220V Phono stage, now moving back to a 110V place. If I set up like 110V wall>voltage converter>220v Phono stage(via PSU) will i get some noise, sound degradation?
No. There are a lot of units out there which run with step up/down units. A lot of power supplies work worldwide, they are internally soldered for different mains. When you have a qualified technician, he should be able to check that.
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