In Reply to: Soldering/unsoldering Tube Pins and Bases posted by tvr2500m on February 4, 2006 at 19:58:35:
why those 6550 bases don't come off is the metal shell is soldered to one of the pins, pin #1 I believe. You may want to sacrifice one tube and crack it apart to see how they are joined.
Metal bases sound quite different from the bakelite ones, BTW....For older tubes I often will add solder to pins and will sometimes restore continuity. I also routinely take apart interesting bases (ceramic bases for expample), and switch them to other simlar tubes.
Your iron should be hot enough, but you may want to add a bit of eutectic solder to make removal easier.
Good luck!
Stu
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Follow Ups
- Hah! the reason - unclestu52 22:32:46 02/04/06 (1)
- Re: Hah! the reason - beermanpete@socal.rr.com 20:46:05 02/06/06 (0)