Radioconstructor "Intercom" (M).
Radio and electrical constructors, sets.Audio AmplifiersThe radio designer "Intercom" (M) has been produced, presumably since 1981, by the Kuznetsk plant of devices and capacitors, mountains. Penza. The radio designer allows you to assemble an intercom, consisting of two identical devices for wired communication between subscribers at a distance of up to 100 m. The preregulation device is modernized, with the letter "M". The PU cases bear the inscription "Electronics", although nowhere else is it mentioned. The design of the intercom "M" differs from the previous one, the circuit is the same, but transferred to silicon transistors.
