Marshall Valvestate 8100 Check Up

A little mamaintenance cleaning that turned into some fixes.
WARNING
The work in this video can cause harm or death.
Disclaimer: This video is only for entertainment purposes. If you rely on the information in this video, you assume the responsibility for the results. I am not responsible for any injuries, illnesses or property damage that may occur.
#marshall #valvestate #8100 #100v #jcm #cleaning #soldering