J jwhmca Well-known member Joined Jan 28, 2009 Messages 931 Location USA Jan 25, 2014 #1 I have a Altec 1591a that seems to be lacking a later mod that was done. CR15, R50 etc... are not there. Has anyone come across this or know of a tech letter to add the changes? Attachments missing.jpg 160.7 KB
I have a Altec 1591a that seems to be lacking a later mod that was done. CR15, R50 etc... are not there. Has anyone come across this or know of a tech letter to add the changes?
