Hello Marino!! from reading your bio information it looks as if you are new here and I take this opportunity to give you a warm Welcome to diyAudio!!!


Stunning work on the amplifier. Absolutely well thought out and the construction shows the builder (yourself?) has many years of training and experience. Sweeeeeeeeeeeeeeeeeeeeeeeeeeet!!!!
BTW - I have 40+ years building, repairing, modifying, and overhauling to "like new" condition electronics stuff and learned my licks on tube circuits. I was trained to solder to NASA standards and also ran the Quality Control department in my later years - So my assessment of your skills comes from one who knows.....
artosalo - I just saw your post over in the other thread - great work you have done!!! Wonderful!!!