Difference STR 425/430/440

[paul461]

Can somebody explain the difference between these valves??..i have a F50 which had 6L6 GC 425's in it and i have just put in 6L6GC 440's which sound really good, what is the difference????????

Cheers

Paul www.thecornerboys1.com

 

[paul461]

Jaysus, nobody knows then???????????

 

[53crew]

Different brand tubes, but I don't recall which is which anymore....