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Donghu 东湖 371

Donghu 东湖 371; Hankou 汉口无线电厂 (ID = 821371) Radio
Donghu 东湖 371; Hankou 汉口无线电厂 (ID = 821372) Radio
Donghu 东湖 371; Hankou 汉口无线电厂 (ID = 817094) Radio
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Donghu 东湖 371; Hankou 汉口无线电厂 (ID = 817094) Radio
Hankou 汉口无线电厂: Donghu 东湖 371 [Radio] ID = 817094 662x610
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For model Donghu 东湖 371, Hankou 汉口无线电厂 Hankou Radio Factory; Hankou:
Picture from the Transistor Radio Circuit Manual August 1981 vol. 1 of 5 (internal 03), page 303 for reference when somebody is uploading real photos and as reference for collectors, comparing models.
Country:  People's Republic of China
Manufacturer / Brand:  Hankou 汉口无线电厂 Hankou Radio Factory; Hankou
Year: 1972 ?? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 7: 3DG200B 3DG200B 3DG200B 3DG200A 3DG200A 3AX31B 3AX31B 2AP9 2AP9 2CP12 2CP12
Main principle Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Dry Batteries / 4.5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Model: Donghu 东湖 371 - Hankou 汉口无线电厂 Hankou
Material Modern plastics (no Bakelite or Catalin)
Shape Portable set > 8 inch (also usable without mains)
Notes The radio model Donghu 东湖 371 (Donghu District) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc. Sensitivity 灵敏度: < 1.5 mV/m. Selectivity 选择性: 20 dB (S/N). The IF is most probably 465 kc. Set audio output 额定功率 : 100 mW (180/300 mW). Electric power consumption 电源消耗 at zero signal 零信号: 15 mA, at max. it is 80 mA. Loudspeaker is 8 ohm. 2 diodes.
Literature/Schematics (1) 03-Transistor Radio Circuit Manual 1981 August (1 of 5) (page 303.)

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

All listed radios etc. from Hankou 汉口无线电厂 Hankou Radio Factory; Hankou
Here you find 18 models, 18 with images and 18 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.