• 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.

soldering iron purchase advice

+1 for the Weller WTCP-S
I have been using this station since the mid-80s. Replaced the most used tips two or three times over the years.

Got the PU 81 with WSP 80 about three years ago as I needed to have temperature adjustment available.
Never had a moments issue with either to date.