• 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
• 179347

• Number of Transistors
• 11

• Semiconductors
• 3AG1E 3AG1D 3AG1B 3AX31D 3AX31B 3AX56B 3AX56B 3DX201 3CX201 3DG201 3DX201 MM5369 MM5387 SL1424 2AP9 2AP9 2CZ82A 2AP9 2CZ82A 2CZ82A 2CW15

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

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

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

• Loudspeaker
• - This model requires external speaker(s). / Ø 5 inch = 12.7 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Red Lantern 红灯 793 Clockradio - Shanghai No.2 上海无线电二厂

• Shape
• Tablemodel with Clock ((Alarm-) Clock Radio).

• Notes
• The Clockradio Red Lantern 红灯 793 (Hongdeng - on the model one reads Red Lantern) receives broadcast band 525 - 1605 kHz and SW 3.9 - 12 MHz. Re Lantern 793 has a sensitivity 灵敏度 of: < 1.5 mV/m (150 uV). Selectivity 选择性: > 20 dB S/N. Set audio output 额定功率: 500 mW. The IF 中频频率 is most probably 465 kc. 8 ohm loudspeaker. 3 ICs (MM5369, MM5387.HA/N, SL-1424-11P) and a quartz.

• Literature/Schematics (1)
• 16-Radio Manual Shanghai No.2 Radio Factory, 1981 (71 pages) (page 57.)

• 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