Three-program receiver `` Ob-301 ''.

Three-program receivers.The three-program receiver "Ob-301" has been producing the Novosibirsk plant of low-voltage equipment since 1973. Three-program receiver "Ob-301" is designed to receive programs transmitted over a compressed radio broadcasting network. There are three knobs on the back of the PT for adjusting the sensitivity of each program. On the back of the PT (not all) there is a socket for an additional loudspeaker with an input impedance of 2 to 8 ohms. The model has five transistors and three diodes. The power source is a 127 or 220 V alternating current network. The output power of the LF path is 100 mW, the operating frequency range is 160..5000 Hz. The loudspeaker in the PT is of the 1GD-30 type. Power consumption from the electrical network is 4 W. Model dimensions 160x260x90 mm, weight 1.6 kg.