Tesla Signal

Year of manufacture: 1947/48
Manufacturer: Rel Electrum Brno, later nationalised as Tesla
Tubes used: 2x ECH21, EBL21, EM11, AZ11 or 2x ECH4, EBL1, EM4, AZ11
Wave bands: long wave, medium wave, short wave 13,5 - 32 m and 28 - 62 m
Description:

This superheterodyne belonged to the middle class of radios on the market. Various types of tubes were used. The chassis was also used in many types of audio distribution systems.