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A set of parts for a radio amateur (Electronics) "Magnetic Recording Amplifier" has been produced possibly since 1968.
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The assembled amplifier consists of 2 amplifier boards, preliminary and final, and is designed to amplify the signal from the magnetic head of a homemade tape recorder or tape recorder.
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Powered by batteries or a 12 volt power supply.
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Rated output power 1 W, maximum more than 2 W.
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The range of reproducible sound frequencies in terms of electrical voltage without connecting a magnetic head and a loudspeaker is 60 ... 12000 Hz, through a loudspeaker coming in the 1GD-18 set and with an acoustic reflector or standing in the speaker 100 ... 10000 Hz.
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