EMG

The Hungarian company Elektronikus Mérőkészülékek Gyára, aka EMG, was a producer of electronic test and measurement equipment. The company was closed in 1991.

TR-4602 is a clone of Tektronix 551, but tube-type in clone is not same by Tektronix 551. They made a clone of the Tektronix 647A, the TR-4653 aka EMG-1555, and its associated plugins, in the 1970s.

In the early 1980s, EMG produced the TR-4658 aka EMG-1556 which bears strong resemblance to the Tektronix 76xx series.