Hi!
There is such a huge variety of different 10Y and 801A tubes, there is simply no characteristic which distinguishes them. The 1602 is so ultra rare (rarer than EC8020) it does not even make sense to think about it
Since there is virtually no other commercial linestage on the market which uses thoriated tungsten filament directly heated tubes and this level of parts quality, transformer coupling and transformer volume control. The sound of this linestage was always a big step up in my customers systems. When I was faced with the question which tubes to use, I tell my customers to simply enjoy the linestage with the tubes they come with, and don't think about this. And that is what happens. My customers reach a point with this linestage which enables them to rediscover their music, and not to worry about another potential improvement. If they want to play, I recommend the new ELROG ER801A which keeps all the good qualities of the old production tubes with even added resolution and authority.
Sorry for the rant
I noticed on your blog that the 10Y preamp can use the 801 tubes and/or the 1602 tubes also. Please could you perhaps describe how these alter presentation / sonic performance.
There is such a huge variety of different 10Y and 801A tubes, there is simply no characteristic which distinguishes them. The 1602 is so ultra rare (rarer than EC8020) it does not even make sense to think about it
Since there is virtually no other commercial linestage on the market which uses thoriated tungsten filament directly heated tubes and this level of parts quality, transformer coupling and transformer volume control. The sound of this linestage was always a big step up in my customers systems. When I was faced with the question which tubes to use, I tell my customers to simply enjoy the linestage with the tubes they come with, and don't think about this. And that is what happens. My customers reach a point with this linestage which enables them to rediscover their music, and not to worry about another potential improvement. If they want to play, I recommend the new ELROG ER801A which keeps all the good qualities of the old production tubes with even added resolution and authority.
Sorry for the rant
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