• Country
• Switzerland

• Manufacturer / Brand
• Mediator; La Chaux-de-Fonds

• Year
• 1947–1950

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 12377

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH21 ECH21 EBL21 AZ1 EM4

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

• Tuned circuits
• 7 AM circuit(s)

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

• Details
• Record Player (not changer)

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

• Loudspeaker
• Presumably Dynamic Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 137AGP - Mediator; La Chaux-de-Fonds

• Dimensions (WHD)
• 550 x 385 x 365 mm / 21.7 x 15.2 x 14.4 inch

• Notes
• Mit TR = Fr.1040.-- Gemäss Werbung in Radio-Service 1948, Heft 55-56: "Ausgerüstet mit dem hervorragenden, schwebenden Perfectonemotor mit Kugellagern".

• Price in first year of sale
• 985.00 SFr

• 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 371 models, 325 with images and 225 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mediator; La Chaux-de-Fonds