Reel-to-reel tape recorder '' Sonata-III ''.

Tape recorders and radio tape recorders.The "Sonata-III" reel-to-reel tape recorder has been producing the Velikie Luki Radio Plant since 1971. The tube tape recorder of the 3rd class "Sonata-III" was developed on the basis of the LPM tape recorder "Chaika-66". The tape recorder is designed for two-track recording from any audio signal sources. The speed of the magnetic tape is 9.53 cm / sec. Knock coefficient 0.3%. Recording is made on a magnetic tape of type 6 or 10. The duration of the recording when using 375 m reels of the magnetic tape is 65x2 min. The frequency of the erasure and bias generator is 60 kHz. The output power of the low-frequency amplifier is 1 W, with a THD of no more than 5%. The voltage at the linear output is 0.25 ... 0.5 V. The frequency range at the linear output is 63 ... 10000 Hz. There is a tone control for high frequencies. Power is supplied from an alternating current network of 127 or 220 V. Power consumption 75 watts. The dimensions of the tape recorder are 379x303x164 mm. Weight 9.5 kg.