• Country
• Great Britain (UK)

• Manufacturer / Brand
• Amplion, Alfred Graham & Co. (Algraphone); London

• Year
• 1929

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 228625

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

• Number of Tubes
• 5

• Valves / Tubes

• Main principle
• TRF with regeneration

• Tuned circuits
• 2 AM circuit(s)

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

• Details
• Record Player (not changer)

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Radio-Gramophone 259 - Amplion, Alfred Graham & Co.

• Shape
• Console, Lowboy (legs < 50 %).

• Notes

• Grid-leak detection. Amplion "Lion" loudspeaker. Rectification by Westinghouse metal rectifier.

• Source of data
• Wireless Weekly

• Author
• Model page created by John Koster. See "Data change" for further contributors.

• Other Models

• Here you find 98 models, 78 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Amplion, Alfred Graham & Co. (Algraphone); London