attenuation

So, as the title suggests, I'd like to have a discussion about line level attenuation and volume dial position. Apologies if this has been discussed before. I did have a search, but didn't see anything specific. So here's some background that has prompted me to want to discuss this subject...

I'm intrigued with the idea of using in-line attenuators on the input terminals of my Fisher integrated tube amp (model X-202) it seems that modern input sources are too "hot" (too high voltage) for older equipment like a tube amp, for example a CD player, DAC box, etc... and that can overload...

Having worked hard and saved hard over the years, I decided to treat myself to a Cambridge Audio CXN network player, received yesterday. I like the CXN very much, other than its sound level via my Sansui AU-919 amplifier being too high. At normal (not soft, not loud) listening level the amp's...