• 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
• 179309

• Number of Transistors
• 16

• Semiconductors
• 3AG1E 3AG1D 3AG1B 3AX31D 3AX31D 3AX31D 3AX31B 3AD30 3AD30 2CZ82A 2CZ82A 2AP9 3AX31E 3AX31E 3AX31D 3AX31D 3AX31D 3AX81B 2Z800B 2AP9 2AP9 2CW56 2CZ85B 2CZ85B

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

• Tuned circuits
• 6 AM circuit(s)

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

• Details
• Cassette-Recorder or -Player

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

• Loudspeaker
• 2 Loudspeakers / Ø 6.5 inch = 16.5 cm

• from Radiomuseum.org
• Model: Hongdeng 红灯 2L-145 Radio Cassette Recorder - Shanghai No.2 上海无线电二厂

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

• Notes
• Hongdeng 红灯 (Red lantern - on the front is Hongdeng) model 2L-145 receives broadcast band 525 - 1605 kHz and SW 4 - 12 MHz. It has an integrated Cassette Recorder. Sensitivity 灵敏度: < 1 mV/m (150uV). Selectivity 选择性: > 20 dB S/N. Set audio output 额定功率: 6 W. The IF 中频频率 is most probably 465 kc. Loudspeakers are 4 ohm. The receiver has 9 transistors and 3 diodes, the cassette recorder 6 transistors etc., rectifier is QL-1A-50V. Instrument for cassette recorder.

• Literature/Schematics (1)
• 16-Radio Manual Shanghai No.2 Radio Factory, 1981 (71 pages) (page 4.)

• 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