Since 1953, 1954, and since 1955, "Chaika" tube radios have been produced by the Novosibirsk plant "Electrosignal". ,86e6f450b8cc469628ba70bf2947b049Radiola "Chaika" consists of a six-tube receiver, combined in a housing with a universal EPU, where an asynchronous motor DAG-1 with frictional deceleration and a piezoelectric pickup ZPU-1 are used. ,86e6f450b8cc469628ba70bf2947b049Frequency ranges: DV - 150 ... 415 kHz. ,86e6f450b8cc469628ba70bf2947b049SV - 520..1600 kHz. ,86e6f450b8cc469628ba70bf2947b049KV-1 3.95-7.5 MHz. ,86e6f450b8cc469628ba70bf2947b049KV-2 9.7..12 MHz. ,86e6f450b8cc469628ba70bf2947b049Sensitivity 200 µV in LW, MW ranges and 300 µV in HF. ,86e6f450b8cc469628ba70bf2947b049Selectivity on the adjacent channel 26 dB in the LW and CB bands, 18 dB in HF. ,86e6f450b8cc469628ba70bf2947b049On the mirror channel 20 and 12 dB. ,86e6f450b8cc469628ba70bf2947b049SOI 7%. ,86e6f450b8cc469628ba70bf2947b049The audio frequency band during the operation of the EPU is 100 ... 5000 Hz, the receiver is 100 ... 4000 Hz. ,86e6f450b8cc469628ba70bf2947b049Power consumption during operation of EPU 90, radio 75 watts. ,86e6f450b8cc469628ba70bf2947b049The tuning pointer serves as an indicator of the included range. ,86e6f450b8cc469628ba70bf2947b049It is made in the form of a bright spot of light moving along the scale when you rotate the control knob. ,86e6f450b8cc469628ba70bf2947b049Structurally, it was a movable carriage with 4 slits at the level of the scales. ,86e6f450b8cc469628ba70bf2947b049When changing ranges, the operating range lamp comes on. ,86e6f450b8cc469628ba70bf2947b049There were radios with an arrow, where the scale was illuminated by bulbs. ,86e6f450b8cc469628ba70bf2947b049The transition from reception to EPU is carried out in the 5th position of the range switch. ,86e6f450b8cc469628ba70bf2947b049Dimensions 520x340x370 mm, weight 18 kg. ,86e6f450b8cc469628ba70bf2947b049In 1954 and 1955, the radio was modernized. ,86e6f450b8cc469628ba70bf2947b049Under the previous scheme, new cases and EPUs were used. ,86e6f450b8cc469628ba70bf2947b049All radios were with a tuning indicator in the form of a beam of light and a carriage, and with an arrow and scale illumination with bulbs. ,86e6f450b8cc469628ba70bf2947b049The radio parameters are the same.,86e6f450b8cc469628ba70bf2947b049,null,ru,null,null,null,null