DavidF Joined Mar 31, 2006 Messages 3,296 Reaction score 1 Location Shropshire Jul 20, 2008 #1 ...valve? Seem sto be dead in my amp.
DavidF Joined Mar 31, 2006 Messages 3,296 Reaction score 1 Location Shropshire Jul 20, 2008 #2 it showing about 1.2mvolts is this a circuitry issue.....or a shot tube?
Uncle Ants In Recordeo Speramus Joined Dec 5, 2003 Messages 1,928 Reaction score 0 Location East Midlands Jul 20, 2008 #3 easy way to tell is to swap tubes over one channel to another see if the problem shifts.
DavidF Joined Mar 31, 2006 Messages 3,296 Reaction score 1 Location Shropshire Jul 20, 2008 #4 true..... substitution is the basis if science