Tube pic - is this normal?

Jiminvan

Silver Supporting Member
Messages
2,991
Looking at the TAD 6L6WGC in my Carr Rambler and noticed these silver circles. Is this what TAD describes as a dual side getter? Is the white halo normal?


Thanks!
 

Jiminvan

Silver Supporting Member
Messages
2,991
Looking at the TAD 6L6WGC in my Carr Rambler and noticed these silver circles. Is this what TAD describes as a dual side getter? Is the white halo normal?


Thanks!
More like a grey halo around the silver...not white.
 

Blue Strat

Member
Messages
30,180
Yeah, that's gray, not white. Most often seen in well used tubes but the whole gettering flash thing is somewhat random, they don't all appear alike even in new tubes.
 

Jiminvan

Silver Supporting Member
Messages
2,991
Ok thanks. I was going to get it looked over anyway as it's a recent acquisition. Sounds great though.
 

Vanyu

Member
Messages
738
As long as the getter flash doesn't turn white, you're in business. When a tube dies a fiery death or breaks, you'll see it turn white as a result of the tube losing vacuum.
 




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