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The transistor "VEGA-103-stereo" network transistor since 1973 has been producing the Berd radio plant. The first-class stereo flashlight "Vega-103-stereo" (type 1-EF-ZS) is designed for high-quality electro-acoustic playback of recordings from mono or stereo records of all formats. Electrophone "Vega-103-stereo" is an upgrade of the model "Vega-101-stereo". The model provides for the connection of a tape recorder for recording from a playable record. In addition, the electrophone can be used as an amplifier of signals from a tape recorder, receiver and radio broadcasting line. Stereo phones can be turned on at the amplifier output. The nominal output power of each channel with a non-linear distortion factor of 1% - 6 watts. The maximum output power of each channel with a non-linear distortion factor of 10% - 25 watts. Band of reproduced sound frequencies 63 ... 16000 Hz. Sensitivity from the input of the pickup, the receiver and tape recorder is 250 mV, the broadcasting line is 30 V. The limits of tone control are ± 8 ... 10 dB. The mismatch of the stereo amplification channels in sensitivity and frequency characteristics is no more than 2 dB. The limits of stereo balance control in each channel are 8 dB. Transient attenuation between stereo channels at frequencies 200 ... 10000 Hz not less than 30 dB. The background level of the record path is at least -60 dB. The average sound pressure of each channel is 0.9 Pa. Food from a network of 127 or 220 V The power consumed from the network at a rated power of 60 watts. Electrophone dimensions - 480x350x180 mm. One speaker - 425x272x234 mm. The weight of the microphone with two speakers - 30 kg.