• Country
• Japan

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Japan

• Year
• 1960 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 217616

• Number of Transistors
• 2

• Semiconductors
• 2SA100 2SB172

• Main principle
• TRF with diode detector

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1 x 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 cm = 2.4 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Astra All Transistor - 2 Transistor - Unknown - CUSTOM BUILT: Japan

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

• Dimensions (WHD)
• 65 x 110 x 30 mm / 2.6 x 4.3 x 1.2 inch

• Notes
• Boy´s Radio. Diode MA5;
  Equal shaped as model "Aud-ion" Boy´s Radio.

• Net weight (2.2 lb = 1 kg)
• 0.8 kg / 1 lb 12.2 oz (1.762 lb)

• Author
• Model page created by José Manuel Silvestre. See "Data change" for further contributors.

• Other Models

• Here you find 1147 models, 1008 with images and 102 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Japan