Oktoden-Super M278-W (278W) Bakelit

• Country
• Germany

• Manufacturer / Brand
• Mende - Radio H. Mende & Co. GmbH, Dresden

• Year
• 1935/1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 3583

• • Brand: System Günther

• Picture
• Schematics

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

• Number of Tubes
• 5

• Valves / Tubes
• AK1 RENS1284 AB1 RES964 RGN1064

• Main principle
• Superheterodyne (common); ZF/IF 482 kHz; Reaction

• Tuned circuits
• 4 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Oktoden-Super M278-W [Bakelit] - Mende - Radio H. Mende & Co.

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 395 x 405 x 275 mm / 15.6 x 15.9 x 10.8 inch

• Notes
• Das Typschild des Empfängers zeigt M278W, dagegen führen die Service-Unterlagen die Typbezeichnung 278W. Es handelt sich dabei um dasselbe Modell.
  Bandfilter-Rückkopplung.

• Price in first year of sale
• 278.00 RM

• Source of data
• Katalog Radio-Zentrale Alex v. Prohaska 1935/1936 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange+Schenk+FS-Röhrenbestückung

• Literature/Schematics (1)
• -- Original-techn. papers.

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

• Other Models

• Here you find 316 models, 283 with images and 206 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mende - Radio H. Mende & Co. GmbH, Dresden