17-06-2014, 06:24 PM
Hi Al, the Farnell HV PSU (300v @100mA I think) is valve based and is often seen for sale. The circuit is available on one of the Forums.
It is quite easy to build and has variable volts and current as well as constant volts output.
Ed
It is quite easy to build and has variable volts and current as well as constant volts output.
Ed







