• Country
• Great Britain (UK)

• Manufacturer / Brand
• Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)

• Year
• 1929 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 17759

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

• Number of Tubes
• 4

• Valves / Tubes
• UY224 UY224 247 UX280

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• from Radiomuseum.org
• Model: Radiolette R5 - Marconi Co. Marconiphone,

• Notes
• The UY224 was first used in 1929 ...

• External source of data
• E. Erb 3-907007-36-0

• Circuit diagram reference
• Die «Thali Schemasammlung» führt das Modell.

• Other Models

• Here you find 500 models, 334 with images and 316 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)