Is the DX-100 fuse supposed to be a slow-blow? The manual just says 8 amp 3AG but when I looked up "3AG" on Google, the info returned was that the 3AG is a fast-blow. That's not what I remember from "back in the day". The one I pulled out (after blowing it during my oh-so-skilled attempts at repair) is a 7 amp slow-blow. Rick WA1RKT