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Zhongshan 钟山 J301

Zhongshan 钟山 J301; Nanjing 南京无线电仪... (ID = 769819) Radio
 
Zhongshan 钟山 J301; Nanjing 南京无线电仪... (ID = 769820) Radio
Zhongshan 钟山 J301; Nanjing 南京无线电仪... (ID = 769817) Radio
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Zhongshan 钟山 J301; Nanjing 南京无线电仪... (ID = 769817) Radio
Nanjing 南京无线电仪...: Zhongshan 钟山 J301 [Radio] ID = 769817 690x476
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For model Zhongshan 钟山 J301, Nanjing 南京无线电仪器厂 Nanjing Radio Apparatus Factory; Zhongshan:
Transistor Radio Manual 1983
 
Country:  People's Republic of China
Manufacturer / Brand:  Nanjing 南京无线电仪器厂 Nanjing Radio Apparatus Factory; Zhongshan
Year: 1965 Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 3: 3AG1 3AG1 3AX3 2AP9 2AP9
Main principle Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s); Reflex
Tuned circuits 4 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Dry Batteries / 4 x 1.5 Volt
Loudspeaker Permanent or electro-dynamic (moving coil), system not known yet.
Power out
from Radiomuseum.org Model: Zhongshan 钟山 J301 - Nanjing 南京无线电仪器厂
Material Plastics (no bakelite or catalin)
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Notes Model Zhongshan 钟山 J301 is using a very interesting, simple reflex superhet design with only one audio transformer and without a choke.
Literature/Schematics (1) 01-Transistor Radio Manual 1972, 2nd Ed. 2nd Print 1983 (page 8.)

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



All listed radios etc. from Nanjing 南京无线电仪器厂 Nanjing Radio Apparatus Factory; Zhongshan
Here you find 3 models, 1 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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