My Tube Collection, Welcome to share yours

[oldvinyl]

 

[oldvinyl]

I guess they couldn't spell EL84!

 

[oldvinyl]

All matching codes.

 

[oldvinyl]

 

[oldvinyl]

Sylvania 7189. Guess they couldn't spell EL84 either.

 

[oldvinyl]

 

[adrian cheng]

This is the first time I've seen this ECC88 date code

 

[oldvinyl]

Sylvania 7189. Guess they couldn't spell EL84 either.

View attachment 157898

More Sylvania typographical errors. They also spell EL84 ... 6BQ5!

 

[oldvinyl]

 

[oldvinyl]

 

[Mr.Miniwatt]

This is the first time I've seen this ECC88 date code

What is the story of this ECC88? Those codes on the bottom seem to point to Valvo Hamburg but that X... to Sittard? Or?

 

[adrian cheng]

What is the story of this ECC88? Those codes on the bottom seem to point to Valvo Hamburg but that X... to Sittard? Or?

Never seen this code , maybe some one wrote it down just for fun

 

[adrian cheng]

Siemens Mono block

 

[adrian cheng]

 

[oldvinyl]

Sylvania 12BZ7

 

[oldvinyl]

Looks like the getter ring is floating.

 

[adrian cheng]

Beautiful Tungsram ECC82 Black plate
with unusual transparent bottom mica

 

[adrian cheng]

 

[adrian cheng]

 

[adrian cheng]