• Year
  • 1965 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 272282

 Technical Specifications

  • Number of Transistors
  • 7
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 1 x 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.25 inch = 5.7 cm
  • Power out
  • 0.18 W (undistorted)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 7 Transistor WA-5767 - Waltham Watch Company; Waltham
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 4.5 x 2.6 x 1.3 inch / 114 x 66 x 33 mm
  • Net weight (2.2 lb = 1 kg)
  • 0.5 lb (0 lb 8 oz) / 0.227 kg
  • Author
  • Model page created by David Barker. See "Data change" for further contributors.

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The model 7 Transistor is part of the collections of the following members.

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