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Since 1971, the Sonata-III reel tape recorder has been producing the Velikiye Luki Radio Plant.
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Class 3 tube tape recorder Sonata-III was developed based on the tape recorder of the Chaika-66 tape recorder.
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The tape recorder is designed for two-track recording from any sound source.
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The speed of the magnetic tape is 9.53 cm / sec.
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The detonation coefficient of 0.3%.
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Recording is done on type 6 or 10 magnetic tape. The recording time when using coils on 375 m. Of magnetic tape is 65x2 min.
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The frequency of the erase and bias generator is 60 kHz.
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The output power of the low-frequency amplifier is 1 W, with a THD of no more than 5%.
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The voltage at the linear output is 0.25 ... 0.5 V. The frequency range at the linear output is 63 ... 10000 Hz.
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There is a tone control for high frequencies.
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Food is carried out from an alternating current main of 127 or 220 Century. Power consumption is 75 W.
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The dimensions of the tape recorder are 379x303x164 mm.
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Weight 9.5 kg.
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