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"FAEMI (produced at Sverdlovsk Electro-automatical plant in 1972, later as "Vektor") is a monophonic electronic keyboard intended for the performance of music works of all kinds. It can be used both as a separate solo instrument and in small amateur ensembles.
The keyboard of the device has 3 octaves, from F till E included. The width of the keys and their arrangement correspond to the accordion keyboard. The sound range of the device amounts to 6 octaves, which provides the possibility of reproducing any note of standard equal temperamental pitch from F in the controctave to E in the 4-th octave. The coverage of the range is reached by successive switching on the four main register key switches 5, 6, 7, and 8. Varying combinations of activated switches (one, two, three, or four), and adding to them a supplementary register switch (fourth from the left), it is possible to get 19 sound variants differing in pitch and timbre. It provides a performer with wide opportunities, enabling him to simulate the sounds of some well-known instruments and to form new original timbres immediately in the course of music performance..."
Full description at ruskeys.net.
