• Country
• People's Republic of China

• Manufacturer / Brand
• Shanghai 上海红鹰无线电厂 Shanghai Hongying Radio Factory; Shanghai

• Year
• 1968 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 178248

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

• Number of Transistors
• 6

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s); Reflex

• Tuned circuits
• 5 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)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Hongying 红鹰 761 - Shanghai 上海红鹰无线电厂

• Notes
• The radio model Hongying 红鹰 761 (Red Eagle) 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: > 14 dB. Set audio output 额定功率: 100 mW. Electric power consumption 电源消耗 at zero signal 零信号: 10 mA, at max. it is 70 mA. The IF is most probably 465 kc. Set audio output 额定功率 : 100 mW. Loudspeaker impedance is 8 ohm. 1 diode 2AP9. Normally a model with a number starting with 7 has 7 transistors, but this one has 6 only.

• Mentioned in
• 04-Transistor Radio Circuit Manual, 1981 (316 pages) (17.)

• Literature/Schematics (1)
• 02-Radio Manual unknown date, 380 pages (page 161.)

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

• Other Models

• Here you find 1 models, 0 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Shanghai 上海红鹰无线电厂 Shanghai Hongying Radio Factory; Shanghai