"I am really questioning what he told you. Just because a tube is lighting up doesn't mean it isn't introducing noise."
I agree with this. A tube is NOT like an incandescent light bulb. Bad output tubes will continue to glow. That tells you nothing at all.
Shakey
I agree with this. A tube is NOT like an incandescent light bulb. Bad output tubes will continue to glow. That tells you nothing at all.
Shakey