2359glenn | studio
Apr 22, 2021 at 1:45 PM Post #38,776 of 39,986
Do you think that $114 is reasonable for this TFK 6080 tube?
https://www.ebay.co.uk/itm/26491210...5&toolid=10001&customid=knt5ut6p1201zlp100004
1619113208635.png

It also has the following markings:
1619113268802.png

All right - I'll answer the question - the tube below is the same and can be yours for $8.90 or less.
1619113483160.png
 
Apr 22, 2021 at 2:37 PM Post #38,777 of 39,986
Apr 22, 2021 at 3:54 PM Post #38,780 of 39,986
...still waiting for @bcowen to add his wisdom here! :stuck_out_tongue_closed_eyes:
 
Apr 22, 2021 at 3:56 PM Post #38,781 of 39,986
I’m glad GE sandblasted those on....sure fire way to tell a fake.
The other sign is the date code is all wrong.
I don’t think 6AS7W is on the original either.
plate structure, too many points on the spacers, etc.
 
Apr 22, 2021 at 4:18 PM Post #38,782 of 39,986
Apr 22, 2021 at 4:43 PM Post #38,783 of 39,986
I’m glad GE sandblasted those on....sure fire way to tell a fake.
The other sign is the date code is all wrong.
I don’t think 6AS7W is on the original either.
plate structure, too many points on the spacers, etc.
The date code should have begun with a letter followed by 7 digits. The letter stands for the factory, but since they were not made by TFK scrap that. Then only the first five digits of the seven are needed for the date and we have five: 20121
It would translate into Nov 2, 1962 which seems plausible. (Or 1972?)
Don't have the head for deciphering the GE dots ATM.
link to TFK date codes:
http://www.audiotubes.com/teledate.htm
 
Apr 22, 2021 at 4:53 PM Post #38,784 of 39,986
The date code should have begun with a letter followed by 7 digits. The letter stands for the factory, but since they were not made by TFK scrap that. Then only the first five digits of the seven are needed for the date and we have five: 20121
It would translate into Nov 2, 1962 which seems plausible. (Or 1972?)
Don't have the head for deciphering the GE dots ATM.
link to TFK date codes:
http://www.audiotubes.com/teledate.htm

For those who would like to become GE sand-blasted dot date code experts:

https://antiqueradios.com/forums/viewtopic.php?t=230932
 
Apr 22, 2021 at 4:57 PM Post #38,785 of 39,986
Apr 22, 2021 at 5:11 PM Post #38,786 of 39,986
@bcowen - be ready for a quiz tomorrow at 9am!
LOL! If there are etched dots, there's no need to figure them out since that's proof positive they were made by GE. :smile:
 
Apr 22, 2021 at 5:43 PM Post #38,787 of 39,986
All I can offer is that BangyBang apparently has a UK site now. Very sad. :sweat:
Also diversified into autos: Chitty Chitty Bangy Bang. (If you thought tube prices were rarified...)
 
Apr 22, 2021 at 6:09 PM Post #38,788 of 39,986
 
Apr 23, 2021 at 12:41 PM Post #38,789 of 39,986
Glad to hear @2359glenn is doing better and making amplifiers again. Hopefully we will see him back in action soon, and perhaps a return to normality for everyone in the not-to-distant future.
 
Apr 24, 2021 at 4:28 PM Post #38,790 of 39,986
Glad to hear @2359glenn is doing better and making amplifiers again. Hopefully we will see him back in action soon, and perhaps a return to normality for everyone in the not-to-distant future.
Ohh, I missed that news! Details?
 

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