pbnaudio.....I have experience with tubes more 20 years and I have more than 50 DIY projects - 300B, 2A3, 6L6, EL11, EL34, EL84, 5005, GK71, GU13, 6P3SE....kits is not in my interest....
minorl....I mean tube amp with input for CD, DVD......and outputs for speakers. I mean that tone control change dramaticaly sound inside in amp and it is not suitable... and sound must be realy, naturaly. After this must increase quality of sounding of speakers and rooms, that is, IMO, Hi-End....What about if sound is changed in amp and than make gimnastic with rooms....Must increase quality of sound in series, begin from source, amp, speakers, rooms...Regulary room is not suitable for HiEnd, room for sounding make only for sounding in the end, using accustic materials.
minorl....I mean tube amp with input for CD, DVD......and outputs for speakers. I mean that tone control change dramaticaly sound inside in amp and it is not suitable... and sound must be realy, naturaly. After this must increase quality of sounding of speakers and rooms, that is, IMO, Hi-End....What about if sound is changed in amp and than make gimnastic with rooms....Must increase quality of sound in series, begin from source, amp, speakers, rooms...Regulary room is not suitable for HiEnd, room for sounding make only for sounding in the end, using accustic materials.

