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Tube brand help needed..6U8....

67.183.106.68

Posted on July 21, 2017 at 19:34:16
popsy
Audiophile

Posts: 2713
Location: oregon
Joined: March 4, 2007
Cant identify the manufacture's of these two 6U8 tubes...if any help the blk plate one has a "6L" in the space btwn the pincs....thanks!













 

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Grey one could be Westinghouse , posted on July 21, 2017 at 20:03:53
DAK
Audiophile

Posts: 2712
Location: PACIFIC
Joined: August 8, 2010
Black one might be RCA or Tungsol

 

RE: Tube brand help needed..6U8...., posted on July 21, 2017 at 23:18:17
kmolles
Audiophile

Posts: 38
Location: Napa, CA 94558
Joined: October 27, 2006
The one with the dots is a GE

 

GE always has USA etched in the glass to..nt, posted on July 22, 2017 at 09:09:22
DAK
Audiophile

Posts: 2712
Location: PACIFIC
Joined: August 8, 2010
.

 

No ideas on the lst set of two pics?, posted on July 22, 2017 at 18:25:09
popsy
Audiophile

Posts: 2713
Location: oregon
Joined: March 4, 2007
n/t

 

RE: Tube brand help needed..6U8...., posted on July 23, 2017 at 13:45:03
2con
Audiophile

Posts: 77
Location: lombardia
Joined: February 12, 2003

1rst >rca

2nd>ge Bp

 

RE: Tube brand help needed..6U8...., posted on July 23, 2017 at 13:47:09
2con
Audiophile

Posts: 77
Location: lombardia
Joined: February 12, 2003

Sorry :

1st>rca Bp

2Nd > Ge Grey plate

 

Thanks!, posted on July 23, 2017 at 13:50:20
popsy
Audiophile

Posts: 2713
Location: oregon
Joined: March 4, 2007
n/t

 

RE: Tube brand help needed..6U8...., posted on August 29, 2017 at 13:42:20
Audio Pete
Manufacturer

Posts: 152
Location: Long Island,NY
Joined: May 22, 2015
First one could also be a Tung-Sol. They also used brackets around the number like RCA.
Second one could be CBS Hytron. I just bought a pair of '57, CBS 12ax7s and they have the same etched numbers as GE but a fatter font, with no USA on the glass.

 

Maybe i will just do "could be" auction on the 'bay then.., posted on August 29, 2017 at 13:50:25
popsy
Audiophile

Posts: 2713
Location: oregon
Joined: March 4, 2007
thanks everyone for the help!

 

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