• Country
• Switzerland

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

• Year
• 1934/1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 12279

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

• Number of Tubes
• 6

• Valves / Tubes
• AK1 AF2 AB1 E446 E443H 506

• Main principle
• Superheterodyne (common); ZF/IF 104 kHz

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

• Power type and voltage
• Alternating Current supply (AC) / 103; 111; 127; 135; 143; 155; 196; 210; 225; 240; Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: M27A - Mediator; La Chaux-de-Fonds

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

• Dimensions (WHD)
• 360 x 275 x 230 mm / 14.2 x 10.8 x 9.1 inch

• Notes
• Meter-Skala . Zusätzlich zu den o.a. Spannungen kann noch 253 V eingestellt werden.

• Net weight (2.2 lb = 1 kg)
• 7.8 kg / 17 lb 2.9 oz (17.181 lb)

• Price in first year of sale
• 295.00 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 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