1) Competently designed amps have no "sound". They provide gain and nothing else.
2) Auditory memory is fleeting .. on the order of a fraction of a second to possibly a few seconds.
3) Subjective descriptions are basically meaningless, especially without correlation or reference.
4) Some words, such as "focus", "reserved projection" and "extra detail", have no meaning in audio.
5)
There is a way to validate your impressions. It's a controlled blind test ... like this:
Just uploaded a video on the basics of performing controlled tests in audio. It was motivated by saving myself text in having to write all of this down when telling someone who to do these tests right. And as a counter to a few online personalities to keep saying they do "blind" tests yet when...
www.audiosciencereview.com
Science is a method of discovering the nature of the universe around us. The informational block of science is data. Data is provided by tests and measurements; they are its language, bridging time and location, allowing equal access to all peoples.
Impressions and opinions, OTOH, are the language of bias, not science. Here is a list of biases; pay attention to "experimenter's bias".
en.wikipedia.org
Jim