• 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.

schematics on my site

I tried to go there but got this message when I tried to access one of the schematics:

You don't have permission to access /audiofanatic3/Tipo/Valvole/pic_finali_SE/ECL82_SE.jpg on this server.

This message came up with every schematic I tried to access.