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Huangshan 黄山 406

Huangshan 黄山 406; Hefei No.4 合肥无线... (ID = 821369) Radio
 
Huangshan 黄山 406; Hefei No.4 合肥无线... (ID = 821370) Radio
Huangshan 黄山 406; Hefei No.4 合肥无线... (ID = 817093) Radio
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Huangshan 黄山 406; Hefei No.4 合肥无线... (ID = 817093) Radio
Hefei No.4 合肥无线...: Huangshan 黄山 406 [Radio] ID = 817093 724x580
Select picture or schematic to display from thumbnails on the right and click for download.
For model Huangshan 黄山 406, Hefei No.4 合肥无线电四厂 Hefei No.4 Radio Factory; Hefei:
Picture from the Transistor Radio Circuit Manual August 1981 vol. 1 of 5 (internal 03), page 301 for reference when somebody is uploading real photos and as reference for collectors, comparing models.
 
Country:  People's Republic of China
Manufacturer / Brand:  Hefei No.4 合肥无线电四厂 Hefei No.4 Radio Factory; Hefei
Year: 1972 ?? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 7: 3AG1C 3AG1B 3AG1B 3AX31B 3AX31B 3AX81B 3AX81B 2AP9 2AP9
Main principle Super-Heterodyne (Super in general); ZF/IF 465 kHz; 3 AF stage(s)
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Dry Batteries / 6 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: Huangshan 黄山 406 - Hefei No.4 合肥无线电四厂
Material Modern plastics (no Bakelite or Catalin)
Shape Tablemodel, Mantel/Midget/Compact up to 14" width, but not a Portable (See power data. Sometimes with handle but for mains only).
Notes The radio model Huangshan 黄山 406 (Yellow Mountains) 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 : 150 mW (250 mW). Loudspeaker is 8 ohm. 2 diodes.
Literature/Schematics (1) 03-Transistor Radio Circuit Manual 1981 August (1 of 5) (page 301.)

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



All listed radios etc. from Hefei No.4 合肥无线电四厂 Hefei No.4 Radio Factory; Hefei
Here you find 2 models, 1 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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