Hello gang, 2 dead xtals in my new 390A project. 12.5mc, and 16mc. You can contact me off list or here, your choice. I will be back talking to you guys, as this unit has some real strange problems. This one is a mixed bag of modules. I think it is a Collins mainframe. It has Capehart IF, AF and power supply. More to come. 73s Russ.