Red Lantern 红灯 753
Shanghai No.2 上海无线电二厂 Shanghai No.2 Radio Factory; Shanghai
- Country
- People's Republic of China
- Manufacturer / Brand
- Shanghai No.2 上海无线电二厂 Shanghai No.2 Radio Factory; Shanghai
- Year
- 1968 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 178132
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 7
- Main principle
- Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Dry Batteries / 3 Volt
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Red Lantern 红灯 753 - Shanghai No.2 上海无线电二厂
- Shape
- Tablemodel without push buttons, Mantel/Midget/Compact up to 14
- Notes
- The model Red Lantern 红灯 753 (Red Lantern is written on the model - which is Hongdeng in Chinese). The Red lantern 753 has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc (possibly 525!). Sensitivity 灵敏度: < 1 mV/m. Selectivity 选择性: > 14 dB. Electric power consumption 电源消耗 at zero signal 零信号: 20 mA, at max. it is 130 mA. The IF is most probably 465 kc. Loudspeaker is 8 ohm. In one schematic transsitors are given as 3AG18 instead of 3AG1B. 3 diodes.
- Mentioned in
- 16-Radio Manual Shanghai No.2 Radio Factory, 1981 (71 pages) (page 35.)
- Literature/Schematics (1)
- 02-Radio Manual unknown date, 380 pages (page 124.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 67 models, 64 with images and 40 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Shanghai No.2 上海无线电二厂 Shanghai No.2 Radio Factory; Shanghai