Well, i'm not sure if you need help finding schematics, tubes, or help using it, based on your post

but i did type " schematic> RCA BA-25a " in google and plenty of site with schematic,

i'm sure same will happen with tubes

http://

there used to be a DIY project forum here, but they moved to own site, haven't got link handy but if you do a search on RO, you may find it or someone could chime in

G'Luck with project

SI

http://www.groupdiy.com
chack the Meta threads ... look for the schamatics one and chack some of the prim movers home sites
I don't remember who has the best RCA collection right now

(I need a 6386 tube too)

yeah
funny about that