• 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
• 1974 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 179333

• Number of Transistors
• 10

• Semiconductors
• 3DG204 3DG204 3DG200 3DG200 3AX31D 3DG200 3AX31B 3AX31B 3AX31B 3AX31B 2AP10 2CP10 2AP10 etc.

• Main principle
• Superheterodyne (common); ZF/IF 465/10700 kHz

• Wave bands
• Broadcast (BC) and FM or UHF.

• 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: Red Lantern 红灯 751 - Shanghai No.2 上海无线电二厂

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• Red Lantern 红灯 751 (Hongdeng) receives broadcast band 535 - 1605 kHz and FM 88 - 108 MHz (100 uV). Red Lantern 751 has a sensitivity 灵敏度 of: < 1.5 mV/m. Selectivity 选择性: > 14 dB S/N. Set audio output 额定功率: 150 mW. The IF 中频频率 is most probably 465 kc and 10700 kHz. The loudspeaker is 8 ohm.

• Literature/Schematics (1)
• 16-Radio Manual Shanghai No.2 Radio Factory, 1981 (71 pages) (page 32.)

• 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