• Year
  • 1956 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 82774

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

 Technical Specifications

  • Number of Transistors
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 5 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 2.75 inch = 7 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 66T1 Ch= HS-556 - Motorola Inc. ex Galvin Mfg.Co
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 5.5 x 3.5 x 2.25 inch / 140 x 89 x 57 mm
  • Notes
  • Motorola model 66T1, chassis HS-556 is a battery operated portable AM transistorized receiver.

  • Circuit diagram reference
  • Beitman Radio Diagrams Vol. 17, 1957
  • Author
  • Model page created by Egon Penker. See "Data change" for further contributors.

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The model 66T1 is part of the collections of the following members.

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