"HeavyMetal" wrote in message
...
I acquired a BC-348 receiver. The receiver did play. But stopped. It
has a
110 volt mod.
I replaced the caps but the rectifier tube is shorted. The tube is a
Raytheon glass tube with shoulders. Ther is no tube mumber on it
except
'280' and 026' on thebottom next tot he name.
Anyone have an idea of what tube they used for the mod?
Thanks..



"280" is a manufacturer's code. In this case, it's Raytheon. Here's a
list of the codes:

http://www.triodeel.com/eiacode.htm

"026" is probably a date code. Maybe something like the 26th week of
1940 or 1950.

A four pin rectifier is almost certainly a 80.

Frank Dresser