7 Transistor 7 TP-21

Toshiba Corporation; Tokyo

  • Year
  • 1961
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 107864
    • alternative name: Shibaura Engineering Works
    • Brand: Tokyo Shibaura

 Technical Specifications

  • Number of Tubes
  • 0
  • Number of Transistors
  • 7
  • Main principle
  • Superheterodyne (common)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 2 x AA 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 cm = 2 inch
  • Power out
  • 0.1 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 7 Transistor 7 TP-21 - Toshiba Corporation; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 83 x 61 x 27 mm / 3.3 x 2.4 x 1.1 inch
  • Notes
  • The 7 Transister model 7TP21 was sold either with a leatherette black case with a zip and handle or with a small box. The 7TP21 is tiny for that year and weighs ounly 160 g - it shares its front with the 7TP30 but not the back and the 7TP30 uses 3 UM5 batteries instead of 2.
  • Mentioned in
  • -- Collector info (Sammler)
  • Author
  • Model page created by Peter Hoddow. See "Data change" for further contributors.

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