• Year
  • 1966 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 176085

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

 Technical Specifications

  • Number of Transistors
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Power type and voltage
  • Dry Batteries / 4 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.5 inch = 6.4 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Red Lantern 红灯 2701 - Shanghai No.2 上海无线电二厂
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 190 x 102 x 48 mm / 7.5 x 4 x 1.9 inch
  • Notes
  • The model Red Lantern 红灯 2701 (Hongdeng) has broadcast 535 - 1605 kHz plus SW 3.9 - 9 MHz and SW 9 - 18 MHz. Sensitivity 灵敏度: < 1 mV/m. Selectivity 选择性: > 25 dB S/N. Set audio output 额定功率: 100 mW. The IF 中频频率 is most probably 465 kc. Loudspeaker impedance is 8 ohm. Schematic page 252 shows 3AX71B instead of 3AX31B etc.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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The model Red Lantern 红灯 is part of the collections of the following members.

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