BSP-5 1980
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The stabilized power supply `` BSP-5 '' was produced since 1980 by the first Moscow instrument-making plant. The universal power supply unit "BSP-5" provides a stabilized DC voltage of 4.5, 6, 7.5, 9 and 12 volts at a load of up to 0.5 A. The key switch is designed so that the output voltage is first selected and then the mains is pressed key. To select another voltage, press the network key. In 1989, the technical specifications changed to BP, without noticeable changes in the electrical circuit and design of the power supply unit "BSP-5". ,null,ru,null,null,null,null
Documentation:
Information from collection of Valery Khartchenko