• Country
• People's Republic of China

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: China

• Year
• 2012

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 310965

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

• Number of Transistors
• 8

• Semiconductors
• 3DG201 or. S9014 or. S9018 3DG201 or. S9018 3DG201 or. S9014 3DG201 or. S9014 or. S9013 3DG201 or. S9014 or. S9013 3DG201 or. S9014 or. S9013 S9012 or. S8550 S9012 or. S8550 1N4148

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / D: 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6.5 cm = 2.6 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: ZX921 - Unknown - CUSTOM BUILT: China

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 149 x 77 x 38 mm / 5.9 x 3 x 1.5 inch

• Price in first year of sale
• 10.00 EUR

• Mentioned in
• - - Manufacturers Literature

• Author
• Model page created by Günther Stabe † 19.8.20. See "Data change" for further contributors.

• Other Models

• Here you find 524 models, 503 with images and 29 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: China