I'm going through and changing out all the tubes in my VT-120, it is the first time I am doing this. On the back of the amp it shows the tube layout (4) 6L6GC, (4) 12AX7, (1) 12AU7. I am familiar with the 12AX7s. Can I relpaace the 6L6s with any type, or do they have to be "GC". Also the 12AU7, what is that for, I've never heard of it before.
What do you guys like in Groove Tubes for a decent amount of gain. I was thinking of going with 3s.
Thanks.
What do you guys like in Groove Tubes for a decent amount of gain. I was thinking of going with 3s.
Thanks.
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