In article ,
Old Fart at Play wrote:
It is a terrible pity that I didn't have the foresight to
buy up a load of valves when they were cheap!

There's plenty of the more common audio types on Ebay. And NOS rather than
Russian.

--
*There are 3 kinds of people: those who can count & those who can't.

Dave Plowman London SW 12
RIP Acorn