• Country
• Great Britain (UK)

• Manufacturer / Brand
• Amplion (Brand), Alfred Graham & Co., Graham Amplion Ltd., Amplion (1932) Ltd.; London

• Year
• 1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 78816

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

• Number of Tubes
• 4

• Valves / Tubes
• 1A7GT 1N5GT 1H5GT 3Q5GT

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Dry Batteries / 1,5/90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: ADP2 [3Q5] - Amplion Brand, Alfred Graham &

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 14.5 x 10.25 x 7.5 inch / 368 x 260 x 191 mm

• Notes
• Red crackle paint. Frame aerial consists of a MW winding plus a loading coil for LW. Frame aerial consists of a MW winding plus a loading coil for LW. Almost identical chassis as in the predecessor ADP1 but in different case. Other version uses Osram valves, different audio output valve (N14 or 1C5). Also mains/battery version "Alternative" (1939).

• Source of data
• Radio! Radio!

• Literature/Schematics (1)
• Paul Stenning CD vol 1. Trader sheet 883.

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 100 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 (Brand), Alfred Graham & Co., Graham Amplion Ltd., Amplion (1932) Ltd.; London