• Country
• People's Republic of China

• Manufacturer / Brand
• Changsha 长沙无线电厂 Changsha Radio Factory; Changsha (Hunan, SC)

• Year
• 1968 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 178765

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 5

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s); Reflex

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Dry Batteries / 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Xiangjiang 湘江 502-A - Changsha 长沙无线电厂 Changsha Radio

• Notes
• The model Xiangjiang 湘江 502-A (Xiangjiang river, Hunan province) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc and SW 3.9 - 12 mc. Sensitivity 灵敏度: < 1.5 mV/m. Selectivity 选择性: not mentioned. Set audio output 额定功率: 50 mW (150 mW). The IF 中频频率 is most probably 465 kc. Loudspeaker impedance is not given. 3 diodes 2AP9.

• Literature/Schematics (1)
• 02-Radio Manual unknown date, 380 pages (page 319.)

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

• Other Models

• Here you find 7 models, 1 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Changsha 长沙无线电厂 Changsha Radio Factory; Changsha (Hunan, SC)