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Since 1952, the Radio Network Lamp Baltika-52 produced the Riga Radio Factory VEF, the Gorky Plant ZIL (named after Lenin) and the Kharkov Shevchenko Plant (ZIS). From 1952, a modernized radio Baltika-52 began to be produced. Unlike the previous one, it was a seven-lamp: 6A7, 6K3.6 X6C, 6ZH8, 6P3S, 6E5S and 5TS4S superheterodyne, with lower output power (1.5 W) than the previous radio receiver, but with much higher sound pressure, applications of a new type of loudspeaker with an in-phase, electric magnet. The low-frequency amplifier circuit was reworked, due to which nonlinear distortions were reduced from 7% to 5%. The long-wavelength range is extended to 415 kHz. Type of radio and other indicators - the same as the receiver "Baltika".