• Country
• Germany

• Manufacturer / Brand
• HERU - International GmbH , Mülheim/Ruhr

• Year
• 1975 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 166874

• Number of Transistors
• 9

• Semiconductors

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Storage and/or dry batteries / 3 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.5 cm = 2.2 inch

• Power out
• 0.25 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Happy - HERU - International GmbH ,

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

• Dimensions (WHD)
• 66 x 140 x 30 mm / 2.6 x 5.5 x 1.2 inch

• Net weight (2.2 lb = 1 kg)
• 0.218 kg / 0 lb 7.7 oz (0.48 lb)

• Author
• Model page created by Roland Rossmüller. See "Data change" for further contributors.

• Other Models

• Here you find 28 models, 26 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from HERU - International GmbH , Mülheim/Ruhr