This ghettoblaster was produced in the late 1980s by Tesla in Czechoslovakia. The cassette mechanism was made by the Polish company Unitra, using a three motor design (1st for moving the head assembly, 2nd for spinning the pickup reel, rewinding and fast forwarding, 3rd one was used for spinning the capstan. The circuit boards were manufactured by RFT in East Germany. The capacitors were from different manufacturers depending on availability - Tesla, Frolyt, or Iskra. The amplifier chips are MBA810, an equivalent of the TBA810. There are four of them in a bridge cofiguration. It has very good power.
It was offered in different colors, including silver, gray, and red. These photos were provided by Jara.