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The combined installation "Symphony" was developed and released in 6 copies in 1957 to demonstrate the achievements of the USSR in the field of radio and television equipment at the VI International Festival of Youth and Students, which opened on June 28, 1957 in Moscow. One installation until the end of 1962 stood at ENEA. A combined installation or television with a stereo tape recorder "Symphony" refers to high-quality TVs that use the latest advances in TV technology. In addition to receiving TV, it is possible to play stereo magnetic recording at a tape speed of 19 cm / sec. The installation is made in the form of a horizontal console model with legs. A television is installed in the center of the case, and acoustic units are located on the left and right of it for playing stereo recordings. The tape recorder is installed in the upper right part of the case under the cover. In the left niche, under the opening lid could be stored tape reels and empty, as well as some spare parts. The TV has a wired remote control switching programs with light indication of the number of the selected channel, control of contrast, brightness, adjustment of the local oscillator, timbre and volume of sound. Turning on the TV and switching to work from a tape recorder are made using the control knobs located in a special niche on the right side wall of the case. Here are the volume control knob and tone control knob. The tape recorder is controlled by a key switch located on the horizontal panel of the tape recorder. The TV uses a 53LK5B kinescope with an electron beam deflection angle of 110 °. The size of the image on the TV screen is 360x475 mm. The whole scheme of the installation "Symphony" is made on 20 radio tubes and 25 germanium diodes. LPM used from tape recorder "Elf-10". The tape recorder has been reworked for stereo playback. The television and tape recorder work on a common dual-channel power amplifier with a broadband speaker. In the TV circuit, there is an automatic brightness control, a clearness corrector and a local oscillator setting indicator.Installation is made in print. The structure of the tape part consists of: two 3-stage amplifier. When the TV is running, both amplifiers are connected to the TV output, providing surround sound reproduction. Amplifiers have dual tone controls on the low and treble. Switching programs is remote and is performed automatically using a special relay and an electric motor, which rotates the PTK unit. Image channel sensitivity is 50 µV. Horizontal sharpness in the center of the screen 500, 550 lines vertically. Band of reproducible frequencies by sound pressure 40 ... 12000 Hz. Rated output power 3, maximum 7 watts. Power consumption of the network when the TV is 240 W; 80W tape recorder. Installation dimensions with legs 1325x1070x480 mm. Weight 70 kg.