• Country
• France

• Manufacturer / Brand
• Forever; Lyon

• Year
• 1935 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 220771

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

• Number of Tubes
• 4

• Valves / Tubes
• 58 57 47 80

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); 1 AF stage(s); Anode bend detection

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 130; 220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 16.3 cm = 6.4 inch

• Power out
• 1 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 641 - Forever; Lyon

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

• Dimensions (WHD)
• 395 x 260 x 230 mm / 15.6 x 10.2 x 9.1 inch

• Notes
• Schaltplan wurde nach Verdrahtung im Gerät erstellt.

• Author
• Model page created by Ralph Oppelt † 3.4.24. See "Data change" for further contributors.

• Other Models

• Here you find 8 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Forever; Lyon