To power condition or not to power condition AVR


Given that an AV receiver has a complicated set of combined tasks, seems that external power conditioner might be valuable given all digital processing, but concerned about limiting current.  Your thoughts and experience in this topic appreciated.  Specific power conditioners you have had good luck using with AVRs?

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I think your 1st effort should focus on 'isolation' of both digital and analog from insidious 'ac ground noise' and 'each other'. That will give you the most improvement for your money. Enjoy.