Shuang
I use the gold pined EH6922's in my premier 16 and I am very satisfied with them. I can not comment as to their sonic superiority over the non gold pined. You can buy the gold pined ($15.99) and non gold pined ($8.99) 6922's by a venfor on this site. His user name is 4380134d on audiogon; he currently has an active ad running. I have bought from him in the past and can recommend him.
I do not believe cj sells the gold pin version; you would have to ask them. I would not concern myself with matched pairs for signal tubes, such as the 6922's. Only power tubes and then only if you have limited ability to bias the power tubes.
Chuck
I use the gold pined EH6922's in my premier 16 and I am very satisfied with them. I can not comment as to their sonic superiority over the non gold pined. You can buy the gold pined ($15.99) and non gold pined ($8.99) 6922's by a venfor on this site. His user name is 4380134d on audiogon; he currently has an active ad running. I have bought from him in the past and can recommend him.
I do not believe cj sells the gold pin version; you would have to ask them. I would not concern myself with matched pairs for signal tubes, such as the 6922's. Only power tubes and then only if you have limited ability to bias the power tubes.
Chuck