I have Cary SLP 98.
I tried few 6sn7 tubes in the front and always have sylvania gtb at the back.I tried tungsol brown base,sylvania brown base and few more and sound really good..Then I tried these 6sn7 tubes from russsia with a 1578 stamp on the glass ...then I stop looking for more 6sn7 and always happy listening to music now.I recommend these tubes to all A'gon member who own a Cary Slp-98 pre-amp and what a difference.Please try it!!Don't ask me now how it sound but i do believed you will be happy with this tube especially mate with cary slp-98.
I tried few 6sn7 tubes in the front and always have sylvania gtb at the back.I tried tungsol brown base,sylvania brown base and few more and sound really good..Then I tried these 6sn7 tubes from russsia with a 1578 stamp on the glass ...then I stop looking for more 6sn7 and always happy listening to music now.I recommend these tubes to all A'gon member who own a Cary Slp-98 pre-amp and what a difference.Please try it!!Don't ask me now how it sound but i do believed you will be happy with this tube especially mate with cary slp-98.