• 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.

Problems with my 26 tube Preamp Power Supply

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Recently, I'm just trying to build my first tube preamp. I have got a preamp schematics from vt52.com and the only problem is the HV power supply.

Can you guys help me with my power supply schematics? I am trying to develop my power supply from a Taiwan website.(PS-3)

Here are the schematics.
 

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