• Year
  • 1974–1977
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 29504

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

 Technical Specifications

  • Number of Transistors
  • 8
  • Main principle
  • Superheterodyne (common)
  • Tuned circuits
  • 6 AM circuit(s)     8 FM circuit(s)
  • Wave bands
  • Broadcast, Long Wave, Short Wave plus FM or UHF.
  • Power type and voltage
  • Line / Batteries (any type) / 220 / 4 x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Power out
  • 2 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: planar RK411 - Siemens & Halske, -Schuckert
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 300 x 180 x 50 mm / 11.8 x 7.1 x 2 inch
  • Notes
  • Die technische Unterlage nennt 9 Transistoren, jedoch sind auf dem Schaltplan nur 8 Transistoren zu finden.

  • Net weight (2.2 lb = 1 kg)
  • 1.9 kg / 4 lb 3 oz (4.185 lb)
  • External source of data
  • Erb
  • Literature/Schematics (1)
  • -- Original-techn. papers.

 Collections | Museums | Literature

Collections

The model planar is part of the collections of the following members.

 Forum