Hongdeng 红灯 QD-501
Qingdao No.2 青岛无线电二厂 Qingdao No.2 Radio Factory; Qingdao
- Country
- People's Republic of China
- Manufacturer / Brand
- Qingdao No.2 青岛无线电二厂 Qingdao No.2 Radio Factory; Qingdao
- Year
- 1966 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 175697
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 5
- 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 x 1.5 Volt
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Hongdeng 红灯 QD-501 - Qingdao No.2 青岛无线电二厂
- Shape
- Tablemodel, low profile (big size).
- Dimensions (WHD)
- 325 x 165 x 155 mm / 12.8 x 6.5 x 6.1 inch
- Notes
- The radio model Hongdeng 红灯 QD-501 (Red Light) has the following key features 主要性能: Frequency range 频率范围: broadcast band, most probably 535 - 1605 kc.
- Literature/Schematics (1)
- 01-Transistor Radio Manual 1972, 2nd Ed. 2nd Print 1983 (page 134.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 2 models, 2 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Qingdao No.2 青岛无线电二厂 Qingdao No.2 Radio Factory; Qingdao