• Country
• People's Republic of China

• Manufacturer / Brand
• Hefei 合肥无线电厂 Hefei Radio Factory; Hefei

• Year
• 1966

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 176115

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

• Number of Transistors
• 10

• Semiconductors
• 3AG6E or. 3AG28 3AG6E or. 3AG28 3AG2 3AG6D or. 3AG27 3AG6D 3AG6D 3AX13 or. 3AX31C 3AX14 or. 3AX31B 3AX81 3AX81 2AP7 2AP10 2AP9 2AP10 2AP7 2AP7

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

• Tuned circuits
• 6 AM circuit(s)     7 FM circuit(s)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Dry Batteries / 9 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Huangshan 黄山 66-10-B - Hefei 合肥无线电厂 Hefei Radio

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

• Dimensions (WHD)
• 452 x 250 x 190 mm / 17.8 x 9.8 x 7.5 inch

• Notes
• The model Huangshan 黄山 66-10-B has broadcast (as all at that time from 535 - 1605 kHz) and FM 88 - 108 MHz. All transistors 3AG6D can be 3AG27 instead.

• Literature/Schematics (1)
• 01-Transistor Radio Manual 1972, 2nd Ed. 2nd Print 1983 (page 313.)

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

• Other Models

• Here you find 5 models, 4 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hefei 合肥无线电厂 Hefei Radio Factory; Hefei