Tubes Asylum Questions about tubes and gear that glows. FAQ |
|
In Reply to: RE: "OTK" stamp - Thanks, I will look for that going forward. [nt] posted by ringwear on April 21, 2014 at 10:19:27:
ALL tubes shipped from the factory have passed the inspection, sometimes the mark might be not obvious.
Where you have the significant difference, is in the mil spec acceptance stamp, usually a small star - those tubes are superior, otherwise you have the normal, commercial grade tubes.
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- I would not worry about that - Victor Khomenko 12:49:45 04/21/14 (0)