• 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.

Developing a "universal" tube power supply PCB

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multi-volti

multi-volti

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Joined 2005
Re: Inadequate spacing

If you have trace spacing you wish were larger for high voltage/field areas, coat the offending electrodes with some dielectric material and it'll improve the breakdown rating there.

Falls under the category of creepage & clearance; UL for example has different spacing expectations for different voltages depending whether there is coating or not.
 
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