WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
Building, troubleshooting and testing of these amplifiers should only be
performed by someone who is thoroughly familiar with
the safety precautions around high voltages.
"(Here's the schematic ) I get around 350Volts wihtout load but should go down around 260Volts once the aikido connected. "
But can you see how he got 350V from 225V AC??225*1,42=320, 320-60 = 260V is actual unloaded voltage not 350V I think. 60V being the voltage loss across the tube rectifier. I saw some used sec 240V AC CT.
Solid state version is here.
Download a copy of above psu design software and have some fun, and read tutorial which shows how to use and design with. Attached shows the inrush current plot that you maybe interested to know. You can also sim it with Spice program. Once you have learn the skill it's all yours for free.