• Year
  • 1974 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 179335

 Technical Specifications

  • Number of Transistors
  • 37
  • Semiconductors
  • Main principle
  • Superhet with RF-stage; ZF/IF 465/10700 kHz
  • Wave bands
  • Broadcast, more than 2 SW bands plus FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • from Radiomuseum.org
  • Model: Hongdeng 红灯 783 - Shanghai No.2 上海无线电二厂
  • Shape
  • Book-shelf unit.
  • Notes
  • Hongdeng 红灯 783 (Red Lantern - we don't know what is written on the case) receives broadcast band 525 - 1605 kHz, SW 3.2 - 5.2 MHz, 6 - 9.9 MHz, 11.7 - 15.5 MHz, 17.7 - 22 MHz and FM 88 - 108 MHz. Hongdeng/Red Lantern 783 has a sensitivity 灵敏度 of: < 0.3 mV/m (30uV). Selectivity 选择性: > 40 (36) dB S/N. Set audio output 额定功率: 50 W. The IF 中频频率 is most probably 465 kc and 10700 kc for FM. Separate loudspeakers. About 37 transistors incl 3 dual gate FETs, one for AM. Two instruments.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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