• Country
• Japan

• Manufacturer / Brand
• Union Co. Ltd.; Yokohama

• Year
• 1962 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 223969

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

• Number of Transistors
• 2

• Semiconductors
• 2SA100 or. 2SA112 2SB176 or. 2SB33 MA51 or. SD46

• Main principle
• TRF with diode detector; Reflex

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 4 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Boy's Radio - Union Co. Ltd.; Yokohama

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 170 x 105 x 95 mm / 6.7 x 4.1 x 3.7 inch

• Notes

• 2-Transistor Reflexempfänger mit Eintakt-A-Endstufe (30mW)

• Net weight (2.2 lb = 1 kg)
• 0.7 kg / 1 lb 8.7 oz (1.542 lb)

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by Hans-Jürgen Neuhaus. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 7 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Union Co. Ltd.; Yokohama