[Heathkit] Premium tube replacement guide

[Ron Youvan]

 > I came across a 2 page guide for a lot of those 4 digit
> premium tubes.  Like the 1614 is a premium 6L6.
> I have a sleeve of 5726's which are 6AL5's.   There are about 5 or 6 
> listings for 6AL5 replacements.  The Author, Roy Pafenberg, W4WKM gives 
> you warnings on some such as 5933 (807) with a 3" greater base 
> diameter.

   All of this information should be found on the internet, the base of
the 5933 is only 1.7" in diameter at the largest point.  The envelop
shape seems to be the greatest mechanical (outline wise) difference.
-- 
   Ron  KA4INM - Youvan's corollary:
                 Every action results in unwanted side effects.