• Country
• Switzerland

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

• Year
• 1947–1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 12374

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

• Number of Tubes
• 4

• Valves / Tubes
• ECH21 ECH21 EBL21 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 452 kHz

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

• Power type and voltage
• Alternating Current supply (AC) / 125, 145, 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 15 cm = 5.9 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: 131A - Mediator; La Chaux-de-Fonds

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 390 x 240 x 165 mm / 15.4 x 9.4 x 6.5 inch

• Notes
• Propellerskala;var. in Holz! Presa phono, presa altoparlante supplementare

• Net weight (2.2 lb = 1 kg)
• 6.5 kg / 14 lb 5.1 oz (14.317 lb)

• Price in first year of sale
• 395.00 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.

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• Other Models

• Here you find 370 models, 324 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