• Country
• Great Britain (UK)

• Manufacturer / Brand
• Loewe Radio Co., Ltd.; London

• Year
• 1929

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 326276

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

• Number of Tubes
• 1

• Valves / Tubes
• RNF7

• Main principle
• TRF with regeneration

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Storage and/or dry batteries / 4 & 80 & 90-150 & -1.5 & -4.5 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Bakelite, TUBES VISIBLE

• from Radiomuseum.org
• Model: Local Receiver - Ortsempfänger RO433 [with pick-up input] - Loewe Radio Co., Ltd.; London

• Shape
• Tablemodel, with any shape - general.

• Notes

• Regenerative receiver using the RNF7 tube with leaky grid detection. Gramophone input terminals are also provided.

  Requires, 1½ V and 4½ V bias batteries.
  A specially designed A. C. Eliminator for the RO 433 was also available.

  Advertised for £3/15/3 complete with coils and valve in the UK.

  ---

  Loewe Ortsempfänger RO433 mit zusätzlichem Eingang für Tonabnehmer (Pick-up). Ansonsten identisch zum Loewe RO433 ohne Pick-up Anschluss.

  Laut Vorstellung in "The Wireless World" vom 12.3.1930 wurde der Empfänger (auch) bei The Loewe Radio Co., Ltd., London, hergestellt.

• Price in first year of sale
• 3.76 GB £

• Mentioned in
• Wireless World (The), London (WW, 79) (March 12th, 1930, p.286.)

• Author
• Model page created by Gary Cowans. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 4 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Loewe Radio Co., Ltd.; London