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The transistor "Russia EF-326-stereo" network transistor battery from the 1st quarter of 1987 was produced by Chelyabinsk PO Polet. Stereophonic electrophone "Russia EF-326-stereo" - provides playback of sound recordings from stereo or monophonic records. The electric phone differs from the "Russia-321-stereo" model with a new element base with the use of microcircuits in the amplifier; A new 3-EPU-77SP electro-reproducing device with an automatic return of the pickup to its initial position after the end of playing a record, it is possible to switch on stereo phones. Technical parameters: Disk speeds of 33 and 45 rpm. The frequency range of 80 ... 12500 Hz. The detonation coefficient is not more than 0.25%. The level of electrical background minus 54 dB. Output power: nominal 2x2 W, maximum 2x5 W. The input impedance of the speaker system is 4 ohms. Power supply 220 V. Power consumption - 30 watts. Electrophone dimensions - 345x300x145 mm. The mass of a set is 5 kg.