- Country
- People's Republic of China
- Manufacturer / Brand
- Tianjin 天津渤海无线电厂 Tianjin Bohai Radio Factory; Tianjin (N)
- Year
- 1968 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 178107
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
- 4 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Dry Batteries / 1.5 Volt
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Haiou 海鸥 715 - Tianjin 天津渤海无线电厂
- Notes
- The model Haiou 海鸥 715 (Seagull) and 716 are on the same documentation and have the following key features 主要性能: Frequency range 频率范围: broadcast band 525 - 1605 kc. Set audio output 额定功率: 50 mW. The IF is 465 kc. Loudspeaker impedance is 8 ohm.
- Literature/Schematics (1)
- 02-Radio Manual unknown date, 380 pages (page 137, drawing CBM-223P2..)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 25 models, 16 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Tianjin 天津渤海无线电厂 Tianjin Bohai Radio Factory; Tianjin (N)