I'm researching preamp-amp matches and due to lack of information on the Internet am left with a question regarding output/input differences between balanced and unbalanced feeds. The contemplated ...
A 7-pin glass base with tipped T-shaped envelope. Miniature tube. Stamped: “Electron / Tube [RCA logo]”. Donor’s card reads: “Power amplifier pentode made by the Radio Corporation of America. Designed ...