• Country
• Denmark

• Manufacturer / Brand
• Neutrofon (Poul Petersen); København

• Year
• 1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 88046

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

• Number of Tubes
• 5

• Valves / Tubes
• C509 or UX201A C509 or UX201A C509 or UX201A C509 or UX201A C603_UX or UX201A or UX112 or UX171A

• Main principle
• TRF with regeneration; Neutrodyne

• Tuned circuits
• 3 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries / 5 & 25 & 40 & 60 & 80 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: 5-Lampe Neutrofon - Neutrofon Poul Petersen;

• Shape
• Tablemodel, slant panel.

• Dimensions (WHD)
• 660 x 270 x 290 mm / 26 x 10.6 x 11.4 inch

• Notes

• Label: RCA Patent RBF Licensmaerke; "Export Til America Forbudt" (=Licensed by RCA. Export to America prohibited).

  The output tube filament is separately supplied. That permits the use of other tubes with >0.25 amps.

  +B voltages given are provisional, found empirical.

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 50 models, 50 with images and 19 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Neutrofon (Poul Petersen); København