Hi,
I have a box with 10 of these power pentodes made by LM Ericsson. Here's a link to a datasheet.
http://frank.pocnet.net/sheets/185/6/6761.pdf
I'm curious to here what you guys think of this tube. I'm not an expert on this but it seems to me that it is a rugged tube. Long
life. Also it is made for relatively low plate voltage. High gm and cathode current.
Here's an Ericsson document where they tell a bit more about the development of the '6761'
Ericsson 6761
Tanks for watching. All input are welcome.
Rolf