Analog technology
Another Hobby is analog technology = radios, record players and tape recorders built between 1960 and 1980.
Be sure, THAT`s a music ... and NOT ONLY wumm, wumm, wumm ... :-)
good-old-hifi
some very good links:
the best place to get your analog devices repaired(!)
I was looking for a component of my isolation transformer (Philips RT 5A)
and got a great help from the company MENTOR, many thanks!