Granted, most of the amps burning here are 60's Marshall clones. Even with the Marshall JTM 45, JTM 45-100, Heritage Colonial or Fender Vibro King, I lower the volume and drop the tone to clean up the sound. Perhaps old habits die hard... I prefer less treble most of the time.
I think you wrote about linear and logarithmic pots above. Dave, from Ann Arbor Guitars, does a superb job discussing the difference.
There are 6 videos in all. IMHO Well worth the time. Here's #1: