Changzheng 长征 7B13
Jinan Hongwei 济南红卫无线电厂 Jinan Hongwei Radio Factory; Jinan
- Country
- People's Republic of China
- Manufacturer / Brand
- Jinan Hongwei 济南红卫无线电厂 Jinan Hongwei Radio Factory; Jinan
- Year
- 1967 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 177823
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
- 6 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: Changzheng 长征 7B13 - Jinan Hongwei 济南红卫无线电厂
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Notes
- The model Changzheng 长征 7B13 receives broadcast 525 - 1605 kc. The IF is 465 kc. Loudspeaker is 8 ohm. Two diodes can not be read for sure: "2CKX2" ... maybe two of 2CK?
- Literature/Schematics (1)
- 02-Radio Manual unknown date, 380 pages (page 328.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 3 models, 1 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Jinan Hongwei 济南红卫无线电厂 Jinan Hongwei Radio Factory; Jinan