Tubes Asylum Questions about tubes and gear that glows. FAQ |
|
In Reply to: I know I have been tough on 12ax7 but....... posted by Mendel on January 27, 2011 at 08:08:08:
tvr2500m is right. The "Mullard" short plate with inclined halo getter is most likely an I60 from the Valvo plant in Hamburg. Quite often a good light and a magnifying glass will reveal the etched production codes, near the base of the tube.
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- RE: I know I have been tough on 12ax7 but....... - Bilbar 21:24:35 01/27/11 (11)
- RE: I know I have been tough on 12ax7 but....... - Mendel 06:26:54 01/28/11 (10)
- Out of curiosity - unclestu 11:24:40 01/28/11 (9)
- RE: Out of curiosity - Mendel 12:23:51 01/28/11 (8)
- RE: Out of curiosity - unclestu 12:57:31 01/28/11 (7)
- RE: Out of curiosity - Mendel 14:00:26 01/28/11 (5)
- RE: Out of curiosity - unclestu 15:40:38 01/28/11 (4)
- RE: Out of curiosity - Mendel 17:08:30 01/28/11 (2)
- RE: Out of curiosity - david62 06:55:04 02/04/11 (1)
- RE: Out of curiosity - Mendel 08:27:54 02/04/11 (0)
- RE: Out of curiosity - becketma@yahoo.com 16:41:49 01/28/11 (0)
- RE: Out of curiosity - becketma@yahoo.com 13:59:34 01/28/11 (0)