hiss

So far, I'm loving my new G5, but after just a few days of quiet listening indoors, the audio hiss when the speaker amplifier activates is driving me insane. Does anyone have a G4/G5 without the hiss? From what I've read it seems like this is just a design flaw that they all have and not a...

My apologies if this has been answered previously. I just bought my first PSR-500 at Hamvention, and noticed yesterday that there is a constant hiss from the speaker while scanning. From my days of working on stereos, it sounds like part of keeping theAF amp transistors biased. (The hiss is...