• Country
• People's Republic of China

• Manufacturer / Brand
• Guangdong 广东梅县地区无线电厂 Guangdong Meixian Local Radio Factory; Meixian

• Year
• 1968 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 180838

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

• Number of Transistors
• 6

• Semiconductors
• 3AG1D 3AG1B 3AG1B 3AX31B 3AX31B 3AX31B 2CP 2CP 2AP9

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 3 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Hongmei 红梅 Hm6-1A - Guangdong 广东梅县地区无线电厂

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• The radio model Hongmei 红梅 Hm6-1A (Red Plum) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc. Sensitivity 灵敏度: < 1.5 mV/m. Selectivity 选择性: 4 dB (S/N). The IF is most probably 465 kc. Set audio output 额定功率 : 100 mW. Loudspeaker impedance is 8 ohm. 3 diodes.

• Literature/Schematics (1)
• 03-Transistor Radio Circuit Manual 1981 August (1 of 5) (page 78.)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 3 models, 0 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Guangdong 广东梅县地区无线电厂 Guangdong Meixian Local Radio Factory; Meixian