Resources
Unitra MK 250 was a popular tape recorder in the 80’s Poland, that could have been used either with local computers like Meritum and Elwro or very popular imported ZX Spectrum+ and likes. It could also be used to play audio. Please take a look at a similar model Unitra MK 450 Tape Recorder, that was targeted as computer storage specifically.
Documents
Internals
Analog Board
Power Transformer
Mechanism
Reassembly
