Thanks for everyone!
Where is my oscilloscope and soldering iron
Now I can test and repair my new old magnetophone
I think that Vintaje Radio is an "international virus", which helps all of us to keep our hands and heads in a good condition.
BTW, our old radio museum
http://oldradio.onego.ru has a forum that looks and works just like Yours, so if You have any questions about Russian Radio and Russian Tubes, please welcome!
P.S. I've heard that a "Grundig with a little green eye" was the first machine on which the very early Beatles made their first home records.
McCartney tells so at the beginning of the "Anthology 1"
Does anybody know what kind of a model it was? Something like TK-5?
Thanks, Vasilii.