Being completely off-topic. Being born in the last years of the USSR I can say that Tesla was a well remembered good brand from these days. They manufactured everything from : amplifiers, cassette decks, tv's, radios, radiograms, r2r's, speakers, turntables,cd players, oscilloscopes,laboratory equipment, ultra sound generators..... you name it
. There was a well knows Tesla 'Talisman' radio which came along with a beautiful 'Sonet-Duo' reel to reel, one that my grandparents owned, beautifully decorated, just as a jewel. We even had a CM130 reel to reel deck which was made in 1986... I think? ... The original factory collapsed in 1990. As I'm aware, the factory operated from the 40's till the split of CzechoSlovakia into what we know it as today