Terry Dewick in Knoxville Tennessee. He is one of the foremost experts on old Mac equipment still around. You will have to wait though, he is always backlogged but well worth the wait.
MR71 Tube Tuner alignment
Hi, I have MR71 for 10 years and needs alignment (left channel sometimes is not coming up esp. when cold). I prefer not to ship out of state, so anyone know in or near Chicago area a shop I can go to? If not, I like to know which one in the continental USA can do a good job on this alignment check, based on your experience. Thanks!