Raul,
One of the main questions is your definition of wrong - it is not that of most audiophiles. Enjoy your music and you definition of wrong and right, we enjoy ours.
BTW1, IMHO the equalizer argument due to the output impedance of the amplifier and the impedance of the speaker is too poor to be taken seriously in debating tube versus solid state. If you take a SS amplifier and connect an impedance in series to model the output impedance of the tube amplifier you do not get tube sound.
BTW2, consider that some modern tube preamplfiers have SOTA technical performance, comparable with other excellent sounding SS units, and still sound like tubes.
Dear Microstrip: Are you serious?. man this is not personal, I'm not against you or against any today tube advocate ( I remember you that I was for many years a tube lover till I liberated my self from the AHEE chains. ). It's obvious that you are not willing to learn and IMHO you are not willing to learn for no other reasons that: ignorance, that's why you have a defensive attitude.
I understand that because when during all our life the AHEE teached that the " Earth " is flat and we sweares it's flat: what happen when " no one " comes here and tell you that the Earth is not flat but rounded?. Certainly you react and react with no single argument/foundation other than: " I like to believe is flat " , even if in reality is rounded.
I think that this kind of forums main subject to its existene is for all of us can improve our knowledge level and skills in all audio subjects, to help to improve and grow up in favor of the MUSIC enjoyment. To achieve that: we have to be willing to learn.
We all were cheated on the tube amp subject as we all were cheated on the " LOMC only way to go " and we all today still are cheated when the AHEE promoted that analog/LP is better than digital alternatives.
++++ " BTW1, IMHO the equalizer argument due to the output impedance of the amplifier and the impedance of the speaker is too poor to be taken seriously... " ++++
this depends on what are your system sound home reproduction targets. If, like me, your targets is to be nearest to the recording loosing and adding the less to the audio signal then any additional signal degradation or signal lost must be avoided in the whole system audio chain. Agree?
First seems to be that you still don't understand the speaker/tube amp overall impedance mistmatc and its results. I think you don't understand yet because what you are posting.
Look, this is only an example to explain it: you have an audio signal that's flat/no frequency deviations and you pass that signal through a SS device and at the other end/output you recieved that audio signal still with no frequency deviations. The target is that: no frequency deviaitons.
Now, you pass the same audio signal through a tube device or other device where at the output you recieved the audio signal severely modified: with frequency deviations ( example ): +1 db at 25hz, +0.5 db at 30hz, -1.5 db at 50hz, +1.5 db at 3 khz, +2.8 db at 400 hz, etc, etc,.
Which one is right and which one is wrong according the target?, obviously the equalized signal.
Well, more or less is what makes any single tube amp working with speakers, working with the speakers load ( impedance curve. ).
IMHO what maybe could be " poor " are your targets, certainly you don't care and don't want to be nearest to the recording: fine with you.
I posted that the speaker/tube amp impedance subject is only the tip of the iceberg. I can go on to prove with facts all the tube technology heavy problems that can tell you easy why is not only an obsolete technology but the wrong one for audio/music home reproduction.
The AHEE was really busy to mantain to hide the facts and the true about. As I posted: we all are victims about.
Microscript: there is no argument in favor of tube amps other than that not serious: " we enjoy ours ". With all respect: that like the " ostrich " you hide in a hole your head does not changes in any way the TRUE: like it or not.
We can't compare tube amps with SS amps only because that: " I like it ", yes you " like it " what is wrong: how can we compare and talk on something that's wrong with something that's right?. Seriously, we can't.
Regards and enjoy the music,
R.