07-10-2021, 09:55 PM
Hi Peter
Thanks for that tip I hadn't heard of it before. If I understand correctly I think I would need to remove the mu-metal shield on the neck of the tube before I could try it.
Frank
Thanks for that tip I hadn't heard of it before. If I understand correctly I think I would need to remove the mu-metal shield on the neck of the tube before I could try it.
Frank







