limomangus,
A friend has a Technics reel to reel like yours and it is a very nice machine. Two techs I know also like those machines a lot for the sound and build quality. However, one tech notes that it is stuffed with Panasonic electrolytic caps that will, in time, leak and the electrolytic paste inside of these caps is highly corrosive; if the leaking substance reaches the circuit board traces that will take out the trace. He recommends replacement of those caps. Given how many are in the machine it is not a cheap job, but the machine deserves such treatment. He got back the machine from the tech along with a bag with 134 caps; some of them had started to leak.

