• Country
• Germany

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

• Year
• 1952/1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 317

• Number of Tubes
• 4

• Valves / Tubes
• DK92 DF91 DAF91 DL92

• Number of Transistors

• Semiconductors
• Tr.Gl.=Metal-rectif.

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

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / 117-220 / 1,5 & 75 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

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

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

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

• Dimensions (WHD)
• 230 x 170 x 100 mm / 9.1 x 6.7 x 3.9 inch

• Notes
• Eingebaute Rahmenantenne.

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• Price in first year of sale
• 148.00 DM

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

• Other Models

• Here you find 200 models, 181 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)