6C33C-B

[CuGame]

I just bought 2 of the 6C33C-B tube on ebay, but after inspected them I afraid test them on my BAT vk150se amps please help me, and let me know from pics if they're bad?

 

[TLS Guy]

I just bought 2 of the 6C33C-B tube on ebay, but after inspected them I afraid test them on my BAT vk150se amps please help me, and let me know from pics if they're bad?

They obviously have had some use, but you can't tell if they are bad. That requires a valve tester, which are complex pieces of equipment.