01-02-2016, 09:39 PM
As I said, both 6F6G tubes are very weak. The 6K7G is barely good. The 6A8G tube is bad. A 6C5 was subbed for a 6J5G. The Russians tubes are cheap and matched.
Rick Ethridge
Plattsmouth, NE
Rick Ethridge
Plattsmouth, NE