Sonet EF-208-stereo 1988
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The transistor network microphone "Sonnet-208-stereo" since the fall of 1986 was produced by the Kazan Electrotechnical Plant. ,8caa42f5a9df53968033bf99609e44f6 The stereo Sonet-208-stereo microphone consists of an electric player with an audio frequency amplifier and 2 small-sized speaker systems. ,8caa42f5a9df53968033bf99609e44f6 The model has an EPU of type 2-EPU-71C with a low-speed engine and a magnetic head with a diamond needle from the Belgian company Ortophone. ,8caa42f5a9df53968033bf99609e44f6 The EPU has a self-locking device for adjusting the speed of the disk. ,8caa42f5a9df53968033bf99609e44f6 The microphone can also be used as an ultrasonic scanner, sources of sound signals can be connected to its inputs, there is a stereo phone jack. ,8caa42f5a9df53968033bf99609e44f6 The ultrasonic device has protection against short-circuit in the load, the speakers have built-in overload indicators. ,8caa42f5a9df53968033bf99609e44f6 The speed of rotation of the disk 33, 45 rpm ,8caa42f5a9df53968033bf99609e44f6 The detonation coefficient of 0.1%. ,8caa42f5a9df53968033bf99609e44f6 Nominal operating frequency range for voltage 20 ... 25000 Hz, sound pressure 63..16000 Hz. ,8caa42f5a9df53968033bf99609e44f6 THD 0.5%. ,8caa42f5a9df53968033bf99609e44f6 Transient attenuation between channels 45 dB. ,8caa42f5a9df53968033bf99609e44f6 The dimensions of the model are 400x365x155 mm. ,8caa42f5a9df53968033bf99609e44f6 AC - 265x175x160 mm. ,8caa42f5a9df53968033bf99609e44f6 Weight 6.5 and 3.3 kg. ,8caa42f5a9df53968033bf99609e44f6 Price with speakers 220 rubles. ,8caa42f5a9df53968033bf99609e44f6 Since 1988, the Sonnet EF-208C electrophone has been produced. ,8caa42f5a9df53968033bf99609e44f6 In 1990, the microphone was modernized and produced with the name "Sonnet EF-208S-2." ,8caa42f5a9df53968033bf99609e44f6 The main differences of this model from 208 are a different design, electronic switching of input modes and mono / stereo mode, the absence of an AC mute button. ,8caa42f5a9df53968033bf99609e44f6 The speaker was automatically turned off when the headphones were connected. ,8caa42f5a9df53968033bf99609e44f6 The power amplifier is assembled on transistors or on 2 microcircuits of the TDA-2030 type. ,8caa42f5a9df53968033bf99609e44f6 ,null,ru,null,null,null,null
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Information from collection of Valery Khartchenko