• Country
• Europe

• Manufacturer / Brand
• Homebrew - ORIGINAL, Europe others

• Year
• 1928–1930 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 288906

• Number of Tubes
• 3

• Valves / Tubes
• A425 A425 RES164d

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

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: 3-tube TRF Receiver - Homebrew - ORIGINAL, Europe

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 357 x 174 x 300 mm / 14.1 x 6.9 x 11.8 inch

• Notes

• Home made 3 tube TRF receiver.

• Author
• Model page created by Timo Rantasaari. See "Data change" for further contributors.

• Other Models

• Here you find 31 models, 20 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Homebrew - ORIGINAL, Europe others