Forgot signature. Wilson W4BOH ----- On Jul 2, 2018, at 2:20 AM, infomet [email protected] wrote:
> A true BA. Large boat at that. > I have one that has been modified to use 4-125A tubes. I think this included > a > new filament xfmr, 5V, 15A. > It works well, but the tetrodes just don't do much as GG triodes at the B+ > available. > I want to either pass it on or make it more usable. > One way to make it "better" is to convert the power supply to a bridge > rectifier, which would get B+ up near 3500V, which the tetrodes would like. > Does anyone have any idea whether or not the pwr xfmr center tap insulation > could stand this? > If someone has access to some 7094 tubes, I think it would be a snap to > convert > back to them and have a stock HT-41. > This amp is not pristine, of course, but it's quite presentable and would be a > great unit for a Halli station, or anyone else. > I'm 76 and have to start shortening my project list, oer I'd tear into it. > It has a pair of solid state 866 replacements. > I'd sell it as is for $300, for pickup only in central NC. _______________________________________________ Boatanchors mailing list [email protected] https://puck.nether.net/mailman/listinfo/boatanchors
