>I have an ameritron AL-80B that I am replacing the tube in. I have an
>Amperex 3-500 (NIB) I would like to use. Is this tube a suitable
>replacement or is there some modifying that needs to be done to use it.
yes
Check the ZSAC. It should be 75mA or a slightly higher on SSB. Higher
Mu/gain usually means decreasing the zener bias v. - - If you hear a
bit of bandswitch arcing with the new, higher-gain tube, you might be
interested in seeing:
http://www.vcnet.com/measures/bandsw.html
Rich---
R. L. Measures, 805-386-3734, AG6K
--
FAQ on WWW: http://www.contesting.com/ampfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|