• Country
• Germany

• Manufacturer / Brand
• Akkord-Radio + Akkord Elektronik (Radios)

• Year
• 1952/1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 316

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

• Number of Tubes
• 5

• Valves / Tubes
• DF91 DK91 DF91 DAF91 DL92 optional EL41

• Main principle
• Superheterodyne (common); ZF/IF 450 kHz

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Line / Batteries (any type)

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 13 cm = 5.1 inch

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Offenbach Universal 52 - Akkord-Radio + Akkord

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 340 x 240 x 120 mm / 13.4 x 9.4 x 4.7 inch

• Notes
• 2 Mod:Leder

• Net weight (2.2 lb = 1 kg)
• 6.8 kg / 14 lb 15.6 oz (14.978 lb)

• Price in first year of sale
• 398.00 DM

• Source of data
• Kat.d.Rundf.GrossH.1952/53 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange Schaltungen der Funkindustrie, Buch 1

• Other Models

• Here you find 201 models, 182 with images and 140 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Akkord-Radio + Akkord Elektronik (Radios)