• Country
• Switzerland

• Manufacturer / Brand
• Trialmo AG, Zürich

• Year
• 1950/1951

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 13780

• Number of Tubes
• 7

• Valves / Tubes
• EF41 ECH42 EAF42 EAF42 EM34 EL41 AZ41

• Main principle
• Superhet with RF-stage; ZF/IF 470 kHz

• Wave bands
• Broadcast, Long Wave and Short Wave.

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

• Loudspeaker
• Presumably Dynamic Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: 4915 - Trialmo AG, Zürich

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Die Tungsram-Tabellen führen das Modell auf.

• Other Models

• Here you find 15 models, 13 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Trialmo AG, Zürich