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eng. Cz. Klimczewski, "A 20 Watt amplifier powered from the mains"
Radio dla Techników i Amatorów 1946/06
At the request of our readers, we provide a schematic and assembly diagram with a description of the low frequency power amplifier. This amplifier can be used to power 2 watts or more speakers with less power. For the amplifier to work properly and without distortion, the sum of power consumed by these speakers can not exceed 20 watts. This amplifier, thanks to various possibilities, is used for sounding squares, slides, stands, railway stations, gardens, etc. It has five inputs, to which we connect depending on the circumstances.