> I have been trying to locate a 6BU5 tube. It is a pentode high voltage
> regulator, similar to a 6BK4. This tube was used in a 1954 vintage color
> TV. None of the usual tube dealers seem to have any (including Antique
> Electronic Supply and Leeds Electronics). Ask around, check you local tube
> dealers and your stock, I would like to buy 1 or 2 or these tubes. You can
This tube isn't listed in any of my RCA tube manauls but is listed
in an old Sylvania tube book...in the 'condensed data' section.
Since the date of this book is from the mid '50's I guess this
tube wasn't used very long!
The Miami hamfest is next weekend, I can keep an eye out for this
tube, there are usually a few tube dealers there. How much are
you willing to pay for one?