• Country
• Germany

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

• Year
• 1970/1971

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 439

• Number of Transistors
• 10

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz

• Tuned circuits
• 6 AM circuit(s)     8 FM circuit(s)

• Wave bands
• Broadcast, Short Wave plus FM or UHF.

• Power type and voltage
• Dry Batteries / 2 × 1,5 Volt

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

• Power out
• 0.8 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Jonny 421 - Akkord-Radio + Akkord

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

• Dimensions (WHD)
• 270 x 166 x 70 mm / 10.6 x 6.5 x 2.8 inch

• Notes
•  

• Net weight (2.2 lb = 1 kg)
• 1.6 kg / 3 lb 8.4 oz (3.524 lb)

• Source of data
• Handbuch VDRG 1970/1971 / Radiokatalog Band 1, Ernst Erb

• 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)