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Shuguang 曙光 603

Shuguang 曙光 603; Nanjing 南京红旗无线... (ID = 802277) Radio
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Shuguang 曙光 603; Nanjing 南京红旗无线... (ID = 802277) Radio
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Country:  People's Republic of China
Manufacturer / Brand:  Nanjing 南京红旗无线电厂 Nanjing Hongqi Radio Factory; Nanjing (Jiangsu, E)
Year: 1968 ?? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 6: 3AG11 3AG51 3AG51 3AX31 3AX 3AX
Main principle Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Dry Batteries / 4.5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: Shuguang 曙光 603 - Nanjing 南京红旗无线电厂
Material Plastics (no bakelite or catalin)
Notes The radio model Shuguang 曙光 603 ("the dawn of a new era") has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc. Sensitivity 灵敏度: < 1 mV/m. Selectivity 选择性: 20 dB N/S. Set audio output 额定功率: 50 mW (180 mW). Electric power consumption 电源消耗 at zero signal 零信号: not given. The IF 中频频率 is 465 kc. Loudspeaker impedance is probably 8 ohm. The 2 last transistors are given as 3AX7. 2 diodes.
Literature/Schematics (1) 02-Radio Manual unknown date, 380 pages (page 241.)

Model page created by Ernst Erb. See "Data change" for further contributors.



All listed radios etc. from Nanjing 南京红旗无线电厂 Nanjing Hongqi Radio Factory; Nanjing (Jiangsu, E)
Here you find 4 models, 1 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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