Heathkit SB-230 linear mods
 

Has anyone tried to use the conduction cooled 8560 tube (common in older
Motorola Micor,
etc VHF repeaters as a replacement for the conduction cooled Eimac 8873
tube?

Both have similar specs and I'd like to keep the conduction cooled feature
of my SB-230.

tnx,

Doug/WA1TUT