Tube 🆔 help….

  • Thread starter Thread starter JackBootedThug
  • Start date Start date
JackBootedThug

JackBootedThug

MURDERATOR
Moderator
What are the two on the bottom left? BBP 6 on the label…
IMG_3717.jpeg
 
Whenever you see that plastic looking 'tab' or 'button' inside the glass envelope of a power tube, that's a tell for a Chinese tube. The EL34s have that same feature; and are sometimes labelled EL34M if they are a GT tube
 

Similar threads

bigchungusstuckinmymouth
Replies
50
Views
2K
itsgoodnow
I
psychodave
Replies
3
Views
252
psychodave
psychodave
J
Replies
4
Views
239
just42dave
J
Back
Top