• 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
• 127298

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

• Number of Tubes
• 6

• Valves / Tubes
• 6A2 6K4_China 6N2 6P1_China 6E2 6Z4_China

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

• Tuned circuits
• 6 AM circuit(s)

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

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 7 inch = 17.8 cm

• Power out
• 1.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Red Lantern 红灯笼 711-2 - Shanghai No.3 上海无线电三厂

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

• Dimensions (WHD)
• 440 x 256 x 220 mm / 17.3 x 10.1 x 8.7 inch

• Notes
• The model shows Red Lantern 2 Band Super model 711-2. Diodes:2AP16. There is also a RED LANTERN 红灯笼 711-3. The 711 was a very popular model, reception of the 711-2 is MW 535 - 1606 kc (kHz) ， SW 6 - 18 mc (MHz). The different versions were sold from the 1960s up to mid 1980s. With separate controls for bass and treble, it is very easy to adjust the sound to the favourite taste. Sensitivity 灵敏度: < 100 uV. Selectivity 选择性: > 28 dB S/N. Set audio output 额定功率: 500 mW. The IF 中频频率 is most probably 465 kc. Loudspeaker is 4 ohm.

• Net weight (2.2 lb = 1 kg)
• 6 kg / 13 lb 3.5 oz (13.216 lb)

• Source of data
• -- Collector info (Sammler)

• Literature/Schematics (1)
• 16-Radio Manual Shanghai No.2 Radio Factory, 1981 (71 pages) (page 12.)

• Author
• Model page created by Ji Zheng. 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