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In Reply to: Re: How to tell NOS from new? posted by Len_ on November 9, 2006 at 16:22:33:
look at sites like tubestore.com (and others) and familiarize yourself with tubes with the brands like SED/Svetlana/TJ and others. These are new production tubes.so if you encounter a tube like a 6BX7 and you can't find it from the new production list. it's most likely NOS.
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Follow Ups
- not all NOS tubes has new production counterparts so... - jarthel 16:38:38 11/09/06 (0)