G Grindjazz Well-known member Joined Oct 18, 2008 Messages 65 Reaction score 0 Apr 9, 2014 #1 How does the 5881 STR-425 tubes sound/hold up compared to 6L6GC? Also do these have any installing issues in the power tube sockets?
How does the 5881 STR-425 tubes sound/hold up compared to 6L6GC? Also do these have any installing issues in the power tube sockets?
