You need help reading the manual? Okay. As the marantz owner's manual explains, tube bias is adjusted to 50 mA. There is no reference to voltage. Got it?
Showing 2 responses by millercarbon
I heard there’s this thing called a browser. Apparently you type letters in and out pops the answer. In fact, a whole bunch of answers! The one I think you are looking for is 50 mA https://www.thetubestore.com/lib/thetubestore/schematics/Marantz/Marantz-8-B-Owners-Manual.pdf |