• Country
• People's Republic of China

• Manufacturer / Brand
• Shanghai No.3 上海无线电三厂 Shanghai No.3 Radio Factory: Shanghai

• Year
• 1972 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 182297

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

• Number of Transistors
• 10

• Semiconductors
• 3DG6A 3DG6A 3DG6A 3DG6A 3DG6A 3DG6A 3DG6A unknown_tr DD01A DD01A 2AP10 2CW14 2CW 2CW 2CW

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• 2 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: Spring Thunder 春雷 3T8 - Shanghai No.3 上海无线电三厂

• Shape
• Tablemodel, low profile (big size).

• Notes
• The radio model Spring Thunder 春雷 3T8 (Chunlei 春雷 3T8) offers the following key features 主要性能: Frequency range 频率范围: broadcast 535 - 1605 kc and SW 6 - 18 mc. Sensitivity 灵敏度: < 1.5 mV/m. Selectivity 选择性: > 20 dB S/N. Set audio output 额定功率: 4 W. The IF 中频频率 is most probably 465 kc. 5 diodes plus rectifier (Q_-1A-30V).

• Literature/Schematics (1)
• 03-Transistor Radio Circuit Manual 1981 August (1 of 5) (page 362.)

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

• Other Models

• Here you find 49 models, 42 with images and 43 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Shanghai No.3 上海无线电三厂 Shanghai No.3 Radio Factory: Shanghai