First , I do not have any experience with the Prologue Premium .
I do have experience with a Prologue II Integrated if that would help . It was a nice piece and very versatile with tubes and music . I owned it for about 13 years with flawless operation .
I traded it in on a Dialogue Premium Integrated a few years ago . The Dialogue Premium is the Prologue on steroids , for me . The Dialogue does everything that the Prologue did but to a greater extent , just more of everything .
Regarding the sound...I found both units sounded like good SS with the stock tubes . Actually , if you want to stick to the EL-34 sound the stock tubes are pretty nice . It is the small tubes that really open up the sound . Especially the four inner tubes , on the Dialogue . I didn't find much of a difference rolling the two driver tubes , the outer ones or first and last from left to right . I left those as stock .
I posted a thread about my tube rolling experience some time ago here on the 'gon .
As above , I did not find a big difference with the Triode function and prefer to use the U/L function as well . My speakers only have a 92db. efficiency rating so maybe that has something to do with the functionality . I hope that this will help you .
Good Luck .
I do have experience with a Prologue II Integrated if that would help . It was a nice piece and very versatile with tubes and music . I owned it for about 13 years with flawless operation .
I traded it in on a Dialogue Premium Integrated a few years ago . The Dialogue Premium is the Prologue on steroids , for me . The Dialogue does everything that the Prologue did but to a greater extent , just more of everything .
Regarding the sound...I found both units sounded like good SS with the stock tubes . Actually , if you want to stick to the EL-34 sound the stock tubes are pretty nice . It is the small tubes that really open up the sound . Especially the four inner tubes , on the Dialogue . I didn't find much of a difference rolling the two driver tubes , the outer ones or first and last from left to right . I left those as stock .
I posted a thread about my tube rolling experience some time ago here on the 'gon .
As above , I did not find a big difference with the Triode function and prefer to use the U/L function as well . My speakers only have a 92db. efficiency rating so maybe that has something to do with the functionality . I hope that this will help you .
Good Luck .