Tape recorder-radio gramophone `` Elfa-6 ''.

Combined apparatus.Since December 1955, the "Elfa-6" radio-tape recorder has been produced by the "Elfa" Vilnius Electrotechnical Plant. A combined device that combines a gramophone for playing records at speeds of 78 and 33 rpm and a tape recorder for recording phonograms with their subsequent playback. Two-track recording is carried out by moving the head assembly along the height. The speed of the belt is determined by the speed of rotation of the EPU disk, and also depends on the size of the take-up reel roll. Frequency range at higher speed 100 ... 5000, less than 100 ... 2000 Hz. During the operation of the EPU - 100 ... 8000 Hz. Harmonic distortion 4%. The nominal output power of the amplifier is 1.5 W. Power consumption from the network is 70 watts.