Sorry, this page is not translated yet. Automatic translation used.
Radio "IR-1" was developed in IRPA for mass production in early 1940. For various reasons, the receiver did not go to the series, only three prototypes were collected. The IR-1 superheterodyne radio receiver is designed to receive eight fixed, pre-tuned radio stations in the Far East and North bands. The sensitivity of the 500 µV radio receiver made it possible to confidently receive broadcasting stations that are remote to one thousand kilometers from the reception site. The receiver is powered by 110, 127 or 220 volts AC, consuming about 20 watts of power. Rated output power 0.5 watts. The range of reproducible sound frequencies is 100 ... 6000 Hz. The receiver is turned on by pressing any button of the fixed settings, while the neon light located in the upper part of the receiver housing lights up. Turns off the receiver by pressing the bottom key. Rectangular pieces of paper are inserted into special niches to the left of the keys, on which the owner himself writes the name of the received broadcasting station. The caption "Off" for the lower key is provided by the plant. The left knob adjusts the tone at high frequencies, the right volume.