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Amperex 6DJ8 Tube Questions

I see many Amperex 6DJ8 tubes for sale. Bugle Boys, World Logo, A Frame, Orange Label, Orange World Logo, Orange Globe A Frames, etc. I read Joe's Tube Lore on AA and he was recommending the orange globe logo tubes as very good sweet tubes over the Bugle Boys. So what is the difference between the orange globes and the (1) orange globe A frames, (2) orange label, (3) orange world logo tubes?

Thanks
bigkidz
opus88
530 posts
 
One seemingly consistent difference I find between U.S. and Dutch (Philips) Amperexes is the American made 6922 and 7308 are not as rich sounding as the Heerlen, Holland versions. On the other hand, the sound from the U.S. manufactured variety leans a bit more toward the transparent. In my system, I personally prefer the Holland made tubes for the fuller, more organic tone they impart to instruments.
rja's avatar
rja
2,356 posts
 
Had heard over the years that the USA 6922 and 7308 were superb. Having used several pairs of each, I found that although very good they were not in the top echelon as are the Holland E88CC and E188CC tubes, either large halo or d-getter versions. This is just my opinion YMMV.
opus88
530 posts
 
Agreed. Holland made in my system also give me the greatest satisfaction.
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