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The children's electronic musical instrument "Mutual Fund" has been produced supposedly since 1989. EMI is a monophonic EMI designed for the development of musical abilities in children of primary school age. Brief technical characteristics: Sound frequencies from the note "TO" of the small octave to the note "SI" of the third octave (131 ... 1976 Hz). The supply voltage is 9 V. The rated output power is 200 mW. Current consumption at rated power no more than 120 mA. Dimensions of EMP - 350x207x77 mm. Weight 2.1 kg.