Night Time Shots Of Our Tubes Glowing -- Post Them Here!!
Feb 21, 2014 at 1:41 PM Post #991 of 1,508

Mullard GZ34

Brimar CV729
 
 
So many beautiful looking tubes in here
 
Feb 21, 2014 at 8:00 PM Post #992 of 1,508
Feb 22, 2014 at 6:23 PM Post #996 of 1,508
Trying to get some better lowlight settings. Hard without tripod!
Enjoy these Sylvania 6H5C!
 

 

 

 

 
Feb 22, 2014 at 6:37 PM Post #997 of 1,508
Probably a silly question, but whats the trick to taking these photos without ending up with odd colours?   Any attempt i made just came out purplish, do i just need a better camera?
 
Feb 22, 2014 at 6:42 PM Post #998 of 1,508
Love dem coke bottles.
 
Feb 23, 2014 at 2:12 AM Post #1,001 of 1,508

 

 
Feb 23, 2014 at 10:33 AM Post #1,004 of 1,508
Where do you buy those blue glowing tubes?

The blue glow is caused by electrons bombarding the glass envelope. Some glass will emit blue glow when bombarded by electrons.
It is common in many types of power tubes. My Sovtek 5881 seem to emit more blue as they age, but that is just an observation.
These are 5881 power tubea:
 

 
Feb 23, 2014 at 12:00 PM Post #1,005 of 1,508
Androb,
 
These are the tubes.
http://www.caryaudio.com/products/store.html
They are re-issues and sold widely online.
 
happy rolling.
 
 
Quote:
Where do you buy those blue glowing tubes?

 

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